51742990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{398023}}^1$

素因数の和:398043

約数の個数: 16

約数和(自身を含む): 100302048

約数和(自身を除く): 48559058

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 398023, 796046, 1990115, 3980230, 5174299, 10348598, 25871495, 51742990]

約数ペア:

[(1, 51742990), (2, 25871495), (5, 10348598), (10, 5174299), (13, 3980230), (26, 1990115), (65, 796046), (130, 398023)]