81393858

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:161

約数の個数: 192

約数和(自身を含む): 239016960

約数和(自身を除く): 157623102

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 17, 18, 21, 26, 34, 37, 39, 42, 51, 63, 74, 78, 79, 91, 102, 111, 117, 119, 126, 153, 158, 182, 221, 222, 234, 237, 238, 259, 273, 306, 333, 357, 442, 474, 481, 518, 546, 553, 629, 663, 666, 711, 714, 777, 819, 962, 1027, 1071, 1106, 1258, 1326, 1343, 1422, 1443, 1547, 1554, 1638, 1659, 1887, 1989, 2054, 2142, 2331, 2686, 2886, 2923, 3081, 3094, 3318, 3367, 3774, 3978, 4029, 4329, 4403, 4641, 4662, 4977, 5661, 5846, 6162, 6734, 7189, 8058, 8177, 8658, 8769, 8806, 9243, 9282, 9401, 9954, 10101, 11322, 12087, 13209, 13923, 14378, 16354, 17459, 17538, 18486, 18802, 20202, 20461, 21567, 24174, 24531, 26307, 26418, 27846, 28203, 30303, 34918, 37999, 39627, 40922, 43134, 49062, 49691, 52377, 52614, 56406, 57239, 60606, 61383, 64701, 73593, 75998, 79254, 84609, 99382, 104754, 113997, 114478, 122213, 122766, 129402, 147186, 149073, 157131, 169218, 171717, 184149, 227994, 244426, 265993, 298146, 314262, 341991, 343434, 347837, 366639, 368298, 447219, 515151, 531986, 645983, 683982, 695674, 733278, 797979, 894438, 1030302, 1043511, 1099917, 1291966, 1595958, 1937949, 2087022, 2199834, 2393937, 3130533, 3875898, 4521881, 4787874, 5813847, 6261066, 9043762, 11627694, 13565643, 27131286, 40696929, 81393858]

約数ペア:

[(1, 81393858), (2, 40696929), (3, 27131286), (6, 13565643), (7, 11627694), (9, 9043762), (13, 6261066), (14, 5813847), (17, 4787874), (18, 4521881), (21, 3875898), (26, 3130533), (34, 2393937), (37, 2199834), (39, 2087022), (42, 1937949), (51, 1595958), (63, 1291966), (74, 1099917), (78, 1043511), (79, 1030302), (91, 894438), (102, 797979), (111, 733278), (117, 695674), (119, 683982), (126, 645983), (153, 531986), (158, 515151), (182, 447219), (221, 368298), (222, 366639), (234, 347837), (237, 343434), (238, 341991), (259, 314262), (273, 298146), (306, 265993), (333, 244426), (357, 227994), (442, 184149), (474, 171717), (481, 169218), (518, 157131), (546, 149073), (553, 147186), (629, 129402), (663, 122766), (666, 122213), (711, 114478), (714, 113997), (777, 104754), (819, 99382), (962, 84609), (1027, 79254), (1071, 75998), (1106, 73593), (1258, 64701), (1326, 61383), (1343, 60606), (1422, 57239), (1443, 56406), (1547, 52614), (1554, 52377), (1638, 49691), (1659, 49062), (1887, 43134), (1989, 40922), (2054, 39627), (2142, 37999), (2331, 34918), (2686, 30303), (2886, 28203), (2923, 27846), (3081, 26418), (3094, 26307), (3318, 24531), (3367, 24174), (3774, 21567), (3978, 20461), (4029, 20202), (4329, 18802), (4403, 18486), (4641, 17538), (4662, 17459), (4977, 16354), (5661, 14378), (5846, 13923), (6162, 13209), (6734, 12087), (7189, 11322), (8058, 10101), (8177, 9954), (8658, 9401), (8769, 9282), (8806, 9243)]