31191862

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{277}}^1$

素因数の和:424

約数の個数: 32

約数和(自身を含む): 52121664

約数和(自身を除く): 20929802

約数列:

[1, 2, 13, 26, 61, 71, 122, 142, 277, 554, 793, 923, 1586, 1846, 3601, 4331, 7202, 8662, 16897, 19667, 33794, 39334, 56303, 112606, 219661, 255671, 439322, 511342, 1199687, 2399374, 15595931, 31191862]

約数ペア:

[(1, 31191862), (2, 15595931), (13, 2399374), (26, 1199687), (61, 511342), (71, 439322), (122, 255671), (142, 219661), (277, 112606), (554, 56303), (793, 39334), (923, 33794), (1586, 19667), (1846, 16897), (3601, 8662), (4331, 7202)]