81318575

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{1013}}^1$

素因数の和:1068

約数の個数: 36

約数和(自身を含む): 115048440

約数和(自身を除く): 33729865

約数列:

[1, 5, 13, 19, 25, 65, 95, 169, 247, 325, 475, 845, 1013, 1235, 3211, 4225, 5065, 6175, 13169, 16055, 19247, 25325, 65845, 80275, 96235, 171197, 250211, 329225, 481175, 855985, 1251055, 3252743, 4279925, 6255275, 16263715, 81318575]

約数ペア:

[(1, 81318575), (5, 16263715), (13, 6255275), (19, 4279925), (25, 3252743), (65, 1251055), (95, 855985), (169, 481175), (247, 329225), (325, 250211), (475, 171197), (845, 96235), (1013, 80275), (1235, 65845), (3211, 25325), (4225, 19247), (5065, 16055), (6175, 13169)]