71977532

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{20707}}^1$

素因数の和:20801

約数の個数: 24

約数和(自身を含む): 139157760

約数和(自身を除く): 67180228

約数列:

[1, 2, 4, 11, 22, 44, 79, 158, 316, 869, 1738, 3476, 20707, 41414, 82828, 227777, 455554, 911108, 1635853, 3271706, 6543412, 17994383, 35988766, 71977532]

約数ペア:

[(1, 71977532), (2, 35988766), (4, 17994383), (11, 6543412), (22, 3271706), (44, 1635853), (79, 911108), (158, 455554), (316, 227777), (869, 82828), (1738, 41414), (3476, 20707)]