28201154

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{1663}}^1$

素因数の和:1865

約数の個数: 16

約数和(自身を含む): 43330560

約数和(自身を除く): 15129406

約数列:

[1, 2, 61, 122, 139, 278, 1663, 3326, 8479, 16958, 101443, 202886, 231157, 462314, 14100577, 28201154]

約数ペア:

[(1, 28201154), (2, 14100577), (61, 462314), (122, 231157), (139, 202886), (278, 101443), (1663, 16958), (3326, 8479)]