221042008

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{13151}}^1$

素因数の和:13359

約数の個数: 32

約数和(自身を含む): 454533120

約数和(自身を除く): 233491112

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 191, 382, 764, 1528, 2101, 4202, 8404, 13151, 16808, 26302, 52604, 105208, 144661, 289322, 578644, 1157288, 2511841, 5023682, 10047364, 20094728, 27630251, 55260502, 110521004, 221042008]

約数ペア:

[(1, 221042008), (2, 110521004), (4, 55260502), (8, 27630251), (11, 20094728), (22, 10047364), (44, 5023682), (88, 2511841), (191, 1157288), (382, 578644), (764, 289322), (1528, 144661), (2101, 105208), (4202, 52604), (8404, 26302), (13151, 16808)]