291889156

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{12671}}^1$

素因数の和:13131

約数の個数: 24

約数和(自身を含む): 551384064

約数和(自身を除く): 259494908

約数列:

[1, 2, 4, 13, 26, 52, 443, 886, 1772, 5759, 11518, 12671, 23036, 25342, 50684, 164723, 329446, 658892, 5613253, 11226506, 22453012, 72972289, 145944578, 291889156]

約数ペア:

[(1, 291889156), (2, 145944578), (4, 72972289), (13, 22453012), (26, 11226506), (52, 5613253), (443, 658892), (886, 329446), (1772, 164723), (5759, 50684), (11518, 25342), (12671, 23036)]