28111601

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{311}}^1\times {\mathrm{349}}^1$

素因数の和:704

約数の個数: 16

約数和(自身を含む): 33196800

約数和(自身を除く): 5085199

約数列:

[1, 7, 37, 259, 311, 349, 2177, 2443, 11507, 12913, 80549, 90391, 108539, 759773, 4015943, 28111601]

約数ペア:

[(1, 28111601), (7, 4015943), (37, 759773), (259, 108539), (311, 90391), (349, 80549), (2177, 12913), (2443, 11507)]