2639455

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5801}}^1$

素因数の和:5826

約数の個数: 16

約数和(自身を含む): 3898944

約数和(自身を除く): 1259489

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 5801, 29005, 40607, 75413, 203035, 377065, 527891, 2639455]

約数ペア:

[(1, 2639455), (5, 527891), (7, 377065), (13, 203035), (35, 75413), (65, 40607), (91, 29005), (455, 5801)]