81404774

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{160879}}^1$

素因数の和:160915

約数の個数: 16

約数和(自身を含む): 139000320

約数和(自身を除く): 57595546

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 160879, 321758, 1769669, 3539338, 3700217, 7400434, 40702387, 81404774]

約数ペア:

[(1, 81404774), (2, 40702387), (11, 7400434), (22, 3700217), (23, 3539338), (46, 1769669), (253, 321758), (506, 160879)]