222889849

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{977}}^1$

素因数の和:1129

約数の個数: 32

約数和(自身を含む): 289175040

約数和(自身を除く): 66285191

約数列:

[1, 7, 13, 23, 91, 109, 161, 299, 763, 977, 1417, 2093, 2507, 6839, 9919, 12701, 17549, 22471, 32591, 88907, 106493, 157297, 228137, 292123, 745451, 1384409, 2044861, 2449339, 9690863, 17145373, 31841407, 222889849]

約数ペア:

[(1, 222889849), (7, 31841407), (13, 17145373), (23, 9690863), (91, 2449339), (109, 2044861), (161, 1384409), (299, 745451), (763, 292123), (977, 228137), (1417, 157297), (2093, 106493), (2507, 88907), (6839, 32591), (9919, 22471), (12701, 17549)]