28221529

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{2971}}^1$

素因数の和:3060

約数の個数: 16

約数和(自身を含む): 34237440

約数和(自身を除く): 6015911

約数列:

[1, 7, 23, 59, 161, 413, 1357, 2971, 9499, 20797, 68333, 175289, 478331, 1227023, 4031647, 28221529]

約数ペア:

[(1, 28221529), (7, 4031647), (23, 1227023), (59, 478331), (161, 175289), (413, 68333), (1357, 20797), (2971, 9499)]