28661885

素因数分解:

$5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{7247}}^1$

素因数の和:7372

約数の個数: 16

約数和(自身を含む): 39661056

約数和(自身を除く): 10999171

約数列:

[1, 5, 7, 35, 113, 565, 791, 3955, 7247, 36235, 50729, 253645, 818911, 4094555, 5732377, 28661885]

約数ペア:

[(1, 28661885), (5, 5732377), (7, 4094555), (35, 818911), (113, 253645), (565, 50729), (791, 36235), (3955, 7247)]