81113448

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{499}}^1\times {\mathrm{521}}^1$

素因数の和:1042

約数の個数: 64

約数和(自身を含む): 219240000

約数和(自身を除く): 138126552

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 499, 521, 998, 1042, 1497, 1563, 1996, 2084, 2994, 3126, 3992, 4168, 5988, 6252, 6487, 6773, 11976, 12504, 12974, 13546, 19461, 20319, 25948, 27092, 38922, 40638, 51896, 54184, 77844, 81276, 155688, 162552, 259979, 519958, 779937, 1039916, 1559874, 2079832, 3119748, 3379727, 6239496, 6759454, 10139181, 13518908, 20278362, 27037816, 40556724, 81113448]

約数ペア:

[(1, 81113448), (2, 40556724), (3, 27037816), (4, 20278362), (6, 13518908), (8, 10139181), (12, 6759454), (13, 6239496), (24, 3379727), (26, 3119748), (39, 2079832), (52, 1559874), (78, 1039916), (104, 779937), (156, 519958), (312, 259979), (499, 162552), (521, 155688), (998, 81276), (1042, 77844), (1497, 54184), (1563, 51896), (1996, 40638), (2084, 38922), (2994, 27092), (3126, 25948), (3992, 20319), (4168, 19461), (5988, 13546), (6252, 12974), (6487, 12504), (6773, 11976)]