1990991522

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{311}}^1\times {\mathrm{2179}}^1$

素因数の和:2618

約数の個数: 32

約数和(自身を含む): 3256606080

約数和(自身を除く): 1265614558

約数列:

[1, 2, 13, 26, 113, 226, 311, 622, 1469, 2179, 2938, 4043, 4358, 8086, 28327, 35143, 56654, 70286, 246227, 456859, 492454, 677669, 913718, 1355338, 3200951, 6401902, 8809697, 17619394, 76576597, 153153194, 995495761, 1990991522]

約数ペア:

[(1, 1990991522), (2, 995495761), (13, 153153194), (26, 76576597), (113, 17619394), (226, 8809697), (311, 6401902), (622, 3200951), (1469, 1355338), (2179, 913718), (2938, 677669), (4043, 492454), (4358, 456859), (8086, 246227), (28327, 70286), (35143, 56654)]