311428

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1$

素因数の和:183

約数の個数: 24

約数和(自身を含む): 603288

約数和(自身を除く): 291860

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 113, 212, 226, 452, 689, 1378, 1469, 2756, 2938, 5876, 5989, 11978, 23956, 77857, 155714, 311428]

約数ペア:

[(1, 311428), (2, 155714), (4, 77857), (13, 23956), (26, 11978), (52, 5989), (53, 5876), (106, 2938), (113, 2756), (212, 1469), (226, 1378), (452, 689)]