28267668

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1$

素因数の和:87

約数の個数: 216

約数和(自身を含む): 93868320

約数和(自身を除く): 65600652

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 17, 18, 19, 22, 26, 33, 34, 36, 38, 39, 44, 51, 52, 57, 66, 68, 76, 78, 99, 102, 114, 117, 132, 143, 153, 156, 171, 187, 198, 204, 209, 221, 228, 234, 247, 286, 289, 306, 323, 342, 374, 396, 418, 429, 442, 468, 494, 561, 572, 578, 612, 627, 646, 663, 684, 741, 748, 836, 858, 867, 884, 969, 988, 1122, 1156, 1254, 1287, 1292, 1326, 1482, 1683, 1716, 1734, 1881, 1938, 1989, 2223, 2244, 2431, 2508, 2574, 2601, 2652, 2717, 2907, 2964, 3179, 3366, 3468, 3553, 3757, 3762, 3876, 3978, 4199, 4446, 4862, 5148, 5202, 5434, 5491, 5814, 6358, 6732, 7106, 7293, 7514, 7524, 7956, 8151, 8398, 8892, 9537, 9724, 10404, 10659, 10868, 10982, 11271, 11628, 12597, 12716, 14212, 14586, 15028, 16302, 16473, 16796, 19074, 21318, 21879, 21964, 22542, 24453, 25194, 28611, 29172, 31977, 32604, 32946, 33813, 37791, 38148, 41327, 42636, 43758, 45084, 46189, 48906, 49419, 50388, 57222, 60401, 63954, 65892, 67626, 71383, 75582, 82654, 87516, 92378, 97812, 98838, 114444, 120802, 123981, 127908, 135252, 138567, 142766, 151164, 165308, 181203, 184756, 197676, 214149, 241604, 247962, 277134, 285532, 362406, 371943, 415701, 428298, 495924, 543609, 554268, 642447, 724812, 743886, 785213, 831402, 856596, 1087218, 1284894, 1487772, 1570426, 1662804, 2174436, 2355639, 2569788, 3140852, 4711278, 7066917, 9422556, 14133834, 28267668]

約数ペア:

[(1, 28267668), (2, 14133834), (3, 9422556), (4, 7066917), (6, 4711278), (9, 3140852), (11, 2569788), (12, 2355639), (13, 2174436), (17, 1662804), (18, 1570426), (19, 1487772), (22, 1284894), (26, 1087218), (33, 856596), (34, 831402), (36, 785213), (38, 743886), (39, 724812), (44, 642447), (51, 554268), (52, 543609), (57, 495924), (66, 428298), (68, 415701), (76, 371943), (78, 362406), (99, 285532), (102, 277134), (114, 247962), (117, 241604), (132, 214149), (143, 197676), (153, 184756), (156, 181203), (171, 165308), (187, 151164), (198, 142766), (204, 138567), (209, 135252), (221, 127908), (228, 123981), (234, 120802), (247, 114444), (286, 98838), (289, 97812), (306, 92378), (323, 87516), (342, 82654), (374, 75582), (396, 71383), (418, 67626), (429, 65892), (442, 63954), (468, 60401), (494, 57222), (561, 50388), (572, 49419), (578, 48906), (612, 46189), (627, 45084), (646, 43758), (663, 42636), (684, 41327), (741, 38148), (748, 37791), (836, 33813), (858, 32946), (867, 32604), (884, 31977), (969, 29172), (988, 28611), (1122, 25194), (1156, 24453), (1254, 22542), (1287, 21964), (1292, 21879), (1326, 21318), (1482, 19074), (1683, 16796), (1716, 16473), (1734, 16302), (1881, 15028), (1938, 14586), (1989, 14212), (2223, 12716), (2244, 12597), (2431, 11628), (2508, 11271), (2574, 10982), (2601, 10868), (2652, 10659), (2717, 10404), (2907, 9724), (2964, 9537), (3179, 8892), (3366, 8398), (3468, 8151), (3553, 7956), (3757, 7524), (3762, 7514), (3876, 7293), (3978, 7106), (4199, 6732), (4446, 6358), (4862, 5814), (5148, 5491), (5202, 5434)]