28195376

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{160201}}^1$

素因数の和:160220

約数の個数: 20

約数和(自身を含む): 59595144

約数和(自身を除く): 31399768

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 160201, 320402, 640804, 1281608, 1762211, 2563216, 3524422, 7048844, 14097688, 28195376]

約数ペア:

[(1, 28195376), (2, 14097688), (4, 7048844), (8, 3524422), (11, 2563216), (16, 1762211), (22, 1281608), (44, 640804), (88, 320402), (176, 160201)]