51746890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{398053}}^1$

素因数の和:398073

約数の個数: 16

約数和(自身を含む): 100309608

約数和(自身を除く): 48562718

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 398053, 796106, 1990265, 3980530, 5174689, 10349378, 25873445, 51746890]

約数ペア:

[(1, 51746890), (2, 25873445), (5, 10349378), (10, 5174689), (13, 3980530), (26, 1990265), (65, 796106), (130, 398053)]