77920895

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{52121}}^1$

素因数の和:52162

約数の個数: 16

約数和(自身を含む): 105077952

約数和(自身を除く): 27157057

約数列:

[1, 5, 13, 23, 65, 115, 299, 1495, 52121, 260605, 677573, 1198783, 3387865, 5993915, 15584179, 77920895]

約数ペア:

[(1, 77920895), (5, 15584179), (13, 5993915), (23, 3387865), (65, 1198783), (115, 677573), (299, 260605), (1495, 52121)]