65561665

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{337}}^1$

素因数の和:469

約数の個数: 32

約数和(自身を含む): 88242336

約数和(自身を除く): 22680671

約数列:

[1, 5, 13, 41, 65, 73, 205, 337, 365, 533, 949, 1685, 2665, 2993, 4381, 4745, 13817, 14965, 21905, 24601, 38909, 69085, 123005, 179621, 194545, 319813, 898105, 1008641, 1599065, 5043205, 13112333, 65561665]

約数ペア:

[(1, 65561665), (5, 13112333), (13, 5043205), (41, 1599065), (65, 1008641), (73, 898105), (205, 319813), (337, 194545), (365, 179621), (533, 123005), (949, 69085), (1685, 38909), (2665, 24601), (2993, 21905), (4381, 14965), (4745, 13817)]