85690475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{13877}}^1$

素因数の和:13919

約数の個数: 24

約数和(自身を含む): 120461040

約数和(自身を除く): 34770565

約数列:

[1, 5, 13, 19, 25, 65, 95, 247, 325, 475, 1235, 6175, 13877, 69385, 180401, 263663, 346925, 902005, 1318315, 3427619, 4510025, 6591575, 17138095, 85690475]

約数ペア:

[(1, 85690475), (5, 17138095), (13, 6591575), (19, 4510025), (25, 3427619), (65, 1318315), (95, 902005), (247, 346925), (325, 263663), (475, 180401), (1235, 69385), (6175, 13877)]