1624025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1$

素因数の和:305

約数の個数: 24

約数和(自身を含む): 2291520

約数和(自身を除く): 667495

約数列:

[1, 5, 13, 19, 25, 65, 95, 247, 263, 325, 475, 1235, 1315, 3419, 4997, 6175, 6575, 17095, 24985, 64961, 85475, 124925, 324805, 1624025]

約数ペア:

[(1, 1624025), (5, 324805), (13, 124925), (19, 85475), (25, 64961), (65, 24985), (95, 17095), (247, 6575), (263, 6175), (325, 4997), (475, 3419), (1235, 1315)]