86665745

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{521}}^1$

素因数の和:665

約数の個数: 32

約数和(自身を含む): 117262080

約数和(自身を除く): 30596335

約数列:

[1, 5, 17, 19, 85, 95, 103, 323, 515, 521, 1615, 1751, 1957, 2605, 8755, 8857, 9785, 9899, 33269, 44285, 49495, 53663, 166345, 168283, 268315, 841415, 912271, 1019597, 4561355, 5097985, 17333149, 86665745]

約数ペア:

[(1, 86665745), (5, 17333149), (17, 5097985), (19, 4561355), (85, 1019597), (95, 912271), (103, 841415), (323, 268315), (515, 168283), (521, 166345), (1615, 53663), (1751, 49495), (1957, 44285), (2605, 33269), (8755, 9899), (8857, 9785)]