1640392315

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{449}}^1\times {\mathrm{31769}}^1$

素因数の和:32246

約数の個数: 16

約数和(自身を含む): 2058696000

約数和(自身を除く): 418303685

約数列:

[1, 5, 23, 115, 449, 2245, 10327, 31769, 51635, 158845, 730687, 3653435, 14264281, 71321405, 328078463, 1640392315]

約数ペア:

[(1, 1640392315), (5, 328078463), (23, 71321405), (115, 14264281), (449, 3653435), (2245, 730687), (10327, 158845), (31769, 51635)]