157428229

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{1223}}^1$

素因数の和:1345

約数の個数: 24

約数和(自身を含む): 190885248

約数和(自身を除く): 33457019

約数列:

[1, 7, 37, 49, 71, 259, 497, 1223, 1813, 2627, 3479, 8561, 18389, 45251, 59927, 86833, 128723, 316757, 607831, 2217299, 3212821, 4254817, 22489747, 157428229]

約数ペア:

[(1, 157428229), (7, 22489747), (37, 4254817), (49, 3212821), (71, 2217299), (259, 607831), (497, 316757), (1223, 128723), (1813, 86833), (2627, 59927), (3479, 45251), (8561, 18389)]