188220991

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{54541}}^1$

素因数の和:54594

約数の個数: 16

約数和(自身を含む): 235621440

約数和(自身を除く): 47400449

約数列:

[1, 7, 17, 29, 119, 203, 493, 3451, 54541, 381787, 927197, 1581689, 6490379, 11071823, 26888713, 188220991]

約数ペア:

[(1, 188220991), (7, 26888713), (17, 11071823), (29, 6490379), (119, 1581689), (203, 927197), (493, 381787), (3451, 54541)]