66751775

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{9239}}^1$

素因数の和:9283

約数の個数: 18

約数和(自身を含む): 87937080

約数和(自身を除く): 21185305

約数列:

[1, 5, 17, 25, 85, 289, 425, 1445, 7225, 9239, 46195, 157063, 230975, 785315, 2670071, 3926575, 13350355, 66751775]

約数ペア:

[(1, 66751775), (5, 13350355), (17, 3926575), (25, 2670071), (85, 785315), (289, 230975), (425, 157063), (1445, 46195), (7225, 9239)]