51413830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{395491}}^1$

素因数の和:395511

約数の個数: 16

約数和(自身を含む): 99663984

約数和(自身を除く): 48250154

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 395491, 790982, 1977455, 3954910, 5141383, 10282766, 25706915, 51413830]

約数ペア:

[(1, 51413830), (2, 25706915), (5, 10282766), (10, 5141383), (13, 3954910), (26, 1977455), (65, 790982), (130, 395491)]