66964778

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{137}}^1\times {\mathrm{677}}^1$

素因数の和:854

約数の個数: 24

約数和(自身を含む): 106943652

約数和(自身を除く): 39978874

約数列:

[1, 2, 19, 38, 137, 274, 361, 677, 722, 1354, 2603, 5206, 12863, 25726, 49457, 92749, 98914, 185498, 244397, 488794, 1762231, 3524462, 33482389, 66964778]

約数ペア:

[(1, 66964778), (2, 33482389), (19, 3524462), (38, 1762231), (137, 488794), (274, 244397), (361, 185498), (677, 98914), (722, 92749), (1354, 49457), (2603, 25726), (5206, 12863)]