256545198

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:168

約数の個数: 256

約数和(自身を含む): 772208640

約数和(自身を除く): 515663442

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 17, 18, 21, 26, 27, 34, 37, 39, 42, 51, 54, 63, 74, 78, 83, 91, 102, 111, 117, 119, 126, 153, 166, 182, 189, 221, 222, 234, 238, 249, 259, 273, 306, 333, 351, 357, 378, 442, 459, 481, 498, 518, 546, 581, 629, 663, 666, 702, 714, 747, 777, 819, 918, 962, 999, 1071, 1079, 1162, 1258, 1326, 1411, 1443, 1494, 1547, 1554, 1638, 1743, 1887, 1989, 1998, 2142, 2158, 2241, 2331, 2457, 2822, 2886, 3071, 3094, 3213, 3237, 3367, 3486, 3774, 3978, 4233, 4329, 4403, 4482, 4641, 4662, 4914, 5229, 5661, 5967, 6142, 6426, 6474, 6734, 6993, 7553, 8177, 8466, 8658, 8806, 9213, 9282, 9711, 9877, 10101, 10458, 11322, 11934, 12699, 12987, 13209, 13923, 13986, 15106, 15687, 16354, 16983, 18343, 18426, 19422, 19754, 20202, 21497, 22659, 24531, 25398, 25974, 26418, 27639, 27846, 29133, 29631, 30303, 31374, 33966, 36686, 38097, 39627, 39923, 41769, 42994, 45318, 49062, 52207, 55029, 55278, 57239, 58266, 59262, 60606, 64491, 67977, 73593, 76194, 79254, 79846, 82917, 83538, 88893, 90909, 104414, 110058, 114478, 118881, 119769, 128401, 128982, 135954, 147186, 156621, 165087, 165834, 171717, 177786, 181818, 193473, 203931, 220779, 237762, 239538, 256802, 266679, 279461, 313242, 330174, 343434, 359307, 365449, 385203, 386946, 407862, 441558, 469863, 495261, 515151, 533358, 558922, 580419, 678691, 718614, 730898, 770406, 838383, 939726, 990522, 1030302, 1077921, 1096347, 1155609, 1160838, 1357382, 1409589, 1545453, 1676766, 2036073, 2155842, 2192694, 2311218, 2515149, 2819178, 3090906, 3289041, 3466827, 4072146, 4750837, 5030298, 6108219, 6578082, 6933654, 7545447, 9501674, 9867123, 12216438, 14252511, 15090894, 18324657, 19734246, 28505022, 36649314, 42757533, 85515066, 128272599, 256545198]

約数ペア:

[(1, 256545198), (2, 128272599), (3, 85515066), (6, 42757533), (7, 36649314), (9, 28505022), (13, 19734246), (14, 18324657), (17, 15090894), (18, 14252511), (21, 12216438), (26, 9867123), (27, 9501674), (34, 7545447), (37, 6933654), (39, 6578082), (42, 6108219), (51, 5030298), (54, 4750837), (63, 4072146), (74, 3466827), (78, 3289041), (83, 3090906), (91, 2819178), (102, 2515149), (111, 2311218), (117, 2192694), (119, 2155842), (126, 2036073), (153, 1676766), (166, 1545453), (182, 1409589), (189, 1357382), (221, 1160838), (222, 1155609), (234, 1096347), (238, 1077921), (249, 1030302), (259, 990522), (273, 939726), (306, 838383), (333, 770406), (351, 730898), (357, 718614), (378, 678691), (442, 580419), (459, 558922), (481, 533358), (498, 515151), (518, 495261), (546, 469863), (581, 441558), (629, 407862), (663, 386946), (666, 385203), (702, 365449), (714, 359307), (747, 343434), (777, 330174), (819, 313242), (918, 279461), (962, 266679), (999, 256802), (1071, 239538), (1079, 237762), (1162, 220779), (1258, 203931), (1326, 193473), (1411, 181818), (1443, 177786), (1494, 171717), (1547, 165834), (1554, 165087), (1638, 156621), (1743, 147186), (1887, 135954), (1989, 128982), (1998, 128401), (2142, 119769), (2158, 118881), (2241, 114478), (2331, 110058), (2457, 104414), (2822, 90909), (2886, 88893), (3071, 83538), (3094, 82917), (3213, 79846), (3237, 79254), (3367, 76194), (3486, 73593), (3774, 67977), (3978, 64491), (4233, 60606), (4329, 59262), (4403, 58266), (4482, 57239), (4641, 55278), (4662, 55029), (4914, 52207), (5229, 49062), (5661, 45318), (5967, 42994), (6142, 41769), (6426, 39923), (6474, 39627), (6734, 38097), (6993, 36686), (7553, 33966), (8177, 31374), (8466, 30303), (8658, 29631), (8806, 29133), (9213, 27846), (9282, 27639), (9711, 26418), (9877, 25974), (10101, 25398), (10458, 24531), (11322, 22659), (11934, 21497), (12699, 20202), (12987, 19754), (13209, 19422), (13923, 18426), (13986, 18343), (15106, 16983), (15687, 16354)]