81251245

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{4211}}^1$

素因数の和:4460

約数の個数: 16

約数和(自身を含む): 103716288

約数和(自身を除く): 22465043

約数列:

[1, 5, 17, 85, 227, 1135, 3859, 4211, 19295, 21055, 71587, 357935, 955897, 4779485, 16250249, 81251245]

約数ペア:

[(1, 81251245), (5, 16250249), (17, 4779485), (85, 955897), (227, 357935), (1135, 71587), (3859, 21055), (4211, 19295)]