77717570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{2131}}^1$

素因数の和:2666

約数の個数: 32

約数和(自身を含む): 160258176

約数和(自身を除く): 82540606

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 521, 1042, 2131, 2605, 3647, 4262, 5210, 7294, 10655, 14917, 18235, 21310, 29834, 36470, 74585, 149170, 1110251, 2220502, 5551255, 7771757, 11102510, 15543514, 38858785, 77717570]

約数ペア:

[(1, 77717570), (2, 38858785), (5, 15543514), (7, 11102510), (10, 7771757), (14, 5551255), (35, 2220502), (70, 1110251), (521, 149170), (1042, 74585), (2131, 36470), (2605, 29834), (3647, 21310), (4262, 18235), (5210, 14917), (7294, 10655)]