291001424

素因数分解:

$2^4\times 7^1\times {\mathrm{521}}^1\times {\mathrm{4987}}^1$

素因数の和:5523

約数の個数: 40

約数和(自身を含む): 645726528

約数和(自身を除く): 354725104

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 521, 1042, 2084, 3647, 4168, 4987, 7294, 8336, 9974, 14588, 19948, 29176, 34909, 39896, 58352, 69818, 79792, 139636, 279272, 558544, 2598227, 5196454, 10392908, 18187589, 20785816, 36375178, 41571632, 72750356, 145500712, 291001424]

約数ペア:

[(1, 291001424), (2, 145500712), (4, 72750356), (7, 41571632), (8, 36375178), (14, 20785816), (16, 18187589), (28, 10392908), (56, 5196454), (112, 2598227), (521, 558544), (1042, 279272), (2084, 139636), (3647, 79792), (4168, 69818), (4987, 58352), (7294, 39896), (8336, 34909), (9974, 29176), (14588, 19948)]