8278925

素因数分解:

$5^2\times {\mathrm{41}}^2\times {\mathrm{197}}^1$

素因数の和:289

約数の個数: 18

約数和(自身を含む): 10575774

約数和(自身を除く): 2296849

約数列:

[1, 5, 25, 41, 197, 205, 985, 1025, 1681, 4925, 8077, 8405, 40385, 42025, 201925, 331157, 1655785, 8278925]

約数ペア:

[(1, 8278925), (5, 1655785), (25, 331157), (41, 201925), (197, 42025), (205, 40385), (985, 8405), (1025, 8077), (1681, 4925)]