221420003329

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{4951}}^1\times {\mathrm{148579}}^1$

素因数の和:153580

約数の個数: 16

約数和(自身を含む): 258990392320

約数和(自身を除く): 37570388991

約数列:

[1, 7, 43, 301, 4951, 34657, 148579, 212893, 1040053, 1490251, 6388897, 44722279, 735614629, 5149302403, 31631429047, 221420003329]

約数ペア:

[(1, 221420003329), (7, 31631429047), (43, 5149302403), (301, 735614629), (4951, 44722279), (34657, 6388897), (148579, 1490251), (212893, 1040053)]