1385550725

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{327941}}^1$

素因数の和:327977

約数の個数: 18

約数和(自身を含む): 1860414966

約数和(自身を除く): 474864241

約数列:

[1, 5, 13, 25, 65, 169, 325, 845, 4225, 327941, 1639705, 4263233, 8198525, 21316165, 55422029, 106580825, 277110145, 1385550725]

約数ペア:

[(1, 1385550725), (5, 277110145), (13, 106580825), (25, 55422029), (65, 21316165), (169, 8198525), (325, 4263233), (845, 1639705), (4225, 327941)]