279828445

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1\times {\mathrm{557}}^1$

素因数の和:765

約数の個数: 32

約数和(自身を含む): 371226240

約数和(自身を除く): 91397795

約数列:

[1, 5, 13, 59, 65, 131, 295, 557, 655, 767, 1703, 2785, 3835, 7241, 7729, 8515, 32863, 36205, 38645, 72967, 100477, 164315, 364835, 427219, 502385, 948571, 2136095, 4305053, 4742855, 21525265, 55965689, 279828445]

約数ペア:

[(1, 279828445), (5, 55965689), (13, 21525265), (59, 4742855), (65, 4305053), (131, 2136095), (295, 948571), (557, 502385), (655, 427219), (767, 364835), (1703, 164315), (2785, 100477), (3835, 72967), (7241, 38645), (7729, 36205), (8515, 32863)]