87815749

素因数分解:

$7^1\times {\mathrm{97}}^1\times {\mathrm{283}}^1\times {\mathrm{457}}^1$

素因数の和:844

約数の個数: 16

約数和(自身を含む): 101976448

約数和(自身を除く): 14160699

約数列:

[1, 7, 97, 283, 457, 679, 1981, 3199, 27451, 44329, 129331, 192157, 310303, 905317, 12545107, 87815749]

約数ペア:

[(1, 87815749), (7, 12545107), (97, 905317), (283, 310303), (457, 192157), (679, 129331), (1981, 44329), (3199, 27451)]