263973025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{621113}}^1$

素因数の和:621140

約数の個数: 12

約数和(自身を含む): 346581612

約数和(自身を除く): 82608587

約数列:

[1, 5, 17, 25, 85, 425, 621113, 3105565, 10558921, 15527825, 52794605, 263973025]

約数ペア:

[(1, 263973025), (5, 52794605), (17, 15527825), (25, 10558921), (85, 3105565), (425, 621113)]