81661525

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{15629}}^1$

素因数の和:15669

約数の個数: 24

約数和(自身を含む): 116287200

約数和(自身を除く): 34625675

約数列:

[1, 5, 11, 19, 25, 55, 95, 209, 275, 475, 1045, 5225, 15629, 78145, 171919, 296951, 390725, 859595, 1484755, 3266461, 4297975, 7423775, 16332305, 81661525]

約数ペア:

[(1, 81661525), (5, 16332305), (11, 7423775), (19, 4297975), (25, 3266461), (55, 1484755), (95, 859595), (209, 390725), (275, 296951), (475, 171919), (1045, 78145), (5225, 15629)]