71181768

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{661}}^1$

素因数の和:1318

約数の個数: 64

約数和(自身を含む): 204001920

約数和(自身を除く): 132820152

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 641, 661, 1282, 1322, 1923, 1983, 2564, 2644, 3846, 3966, 4487, 4627, 5128, 5288, 7692, 7932, 8974, 9254, 13461, 13881, 15384, 15864, 17948, 18508, 26922, 27762, 35896, 37016, 53844, 55524, 107688, 111048, 423701, 847402, 1271103, 1694804, 2542206, 2965907, 3389608, 5084412, 5931814, 8897721, 10168824, 11863628, 17795442, 23727256, 35590884, 71181768]

約数ペア:

[(1, 71181768), (2, 35590884), (3, 23727256), (4, 17795442), (6, 11863628), (7, 10168824), (8, 8897721), (12, 5931814), (14, 5084412), (21, 3389608), (24, 2965907), (28, 2542206), (42, 1694804), (56, 1271103), (84, 847402), (168, 423701), (641, 111048), (661, 107688), (1282, 55524), (1322, 53844), (1923, 37016), (1983, 35896), (2564, 27762), (2644, 26922), (3846, 18508), (3966, 17948), (4487, 15864), (4627, 15384), (5128, 13881), (5288, 13461), (7692, 9254), (7932, 8974)]