1091428

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:307

約数の個数: 24

約数和(自身を含む): 2085440

約数和(自身を除く): 994012

約数列:

[1, 2, 4, 13, 26, 52, 139, 151, 278, 302, 556, 604, 1807, 1963, 3614, 3926, 7228, 7852, 20989, 41978, 83956, 272857, 545714, 1091428]

約数ペア:

[(1, 1091428), (2, 545714), (4, 272857), (13, 83956), (26, 41978), (52, 20989), (139, 7852), (151, 7228), (278, 3926), (302, 3614), (556, 1963), (604, 1807)]