155720008

素因数分解:

$2^3\times {\mathrm{191}}^1\times {\mathrm{223}}^1\times {\mathrm{457}}^1$

素因数の和:877

約数の個数: 32

約数和(自身を含む): 295464960

約数和(自身を除く): 139744952

約数列:

[1, 2, 4, 8, 191, 223, 382, 446, 457, 764, 892, 914, 1528, 1784, 1828, 3656, 42593, 85186, 87287, 101911, 170372, 174574, 203822, 340744, 349148, 407644, 698296, 815288, 19465001, 38930002, 77860004, 155720008]

約数ペア:

[(1, 155720008), (2, 77860004), (4, 38930002), (8, 19465001), (191, 815288), (223, 698296), (382, 407644), (446, 349148), (457, 340744), (764, 203822), (892, 174574), (914, 170372), (1528, 101911), (1784, 87287), (1828, 85186), (3656, 42593)]