51721865

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{9587}}^1$

素因数の和:9688

約数の個数: 16

約数和(自身を含む): 67652928

約数和(自身を除く): 15931063

約数列:

[1, 5, 13, 65, 83, 415, 1079, 5395, 9587, 47935, 124631, 623155, 795721, 3978605, 10344373, 51721865]

約数ペア:

[(1, 51721865), (5, 10344373), (13, 3978605), (65, 795721), (83, 623155), (415, 124631), (1079, 47935), (5395, 9587)]