51387505

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{7253}}^1$

素因数の和:7380

約数の個数: 16

約数和(自身を含む): 67026960

約数和(自身を除く): 15639455

約数列:

[1, 5, 13, 65, 109, 545, 1417, 7085, 7253, 36265, 94289, 471445, 790577, 3952885, 10277501, 51387505]

約数ペア:

[(1, 51387505), (5, 10277501), (13, 3952885), (65, 790577), (109, 471445), (545, 94289), (1417, 36265), (7085, 7253)]