28329925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1429}}^1$

素因数の和:1513

約数の個数: 24

約数和(自身を含む): 38478440

約数和(自身を除く): 10148515

約数列:

[1, 5, 13, 25, 61, 65, 305, 325, 793, 1429, 1525, 3965, 7145, 18577, 19825, 35725, 87169, 92885, 435845, 464425, 1133197, 2179225, 5665985, 28329925]

約数ペア:

[(1, 28329925), (5, 5665985), (13, 2179225), (25, 1133197), (61, 464425), (65, 435845), (305, 92885), (325, 87169), (793, 35725), (1429, 19825), (1525, 18577), (3965, 7145)]