8317075

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1$

素因数の和:343

約数の個数: 24

約数和(自身を含む): 11245808

約数和(自身を除く): 2928733

約数列:

[1, 5, 13, 25, 65, 157, 163, 325, 785, 815, 2041, 2119, 3925, 4075, 10205, 10595, 25591, 51025, 52975, 127955, 332683, 639775, 1663415, 8317075]

約数ペア:

[(1, 8317075), (5, 1663415), (13, 639775), (25, 332683), (65, 127955), (157, 52975), (163, 51025), (325, 25591), (785, 10595), (815, 10205), (2041, 4075), (2119, 3925)]