42640891

素因数分解:

${\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:354

約数の個数: 16

約数和(自身を含む): 44997120

約数和(自身を除く): 2356229

約数列:

[1, 47, 61, 107, 139, 2867, 5029, 6527, 6533, 8479, 14873, 306769, 398513, 699031, 907253, 42640891]

約数ペア:

[(1, 42640891), (47, 907253), (61, 699031), (107, 398513), (139, 306769), (2867, 14873), (5029, 8479), (6527, 6533)]