66886825

素因数分解:

$5^2\times {\mathrm{59}}^1\times {\mathrm{137}}^1\times {\mathrm{331}}^1$

素因数の和:537

約数の個数: 24

約数和(自身を含む): 85217760

約数和(自身を除く): 18330935

約数列:

[1, 5, 25, 59, 137, 295, 331, 685, 1475, 1655, 3425, 8083, 8275, 19529, 40415, 45347, 97645, 202075, 226735, 488225, 1133675, 2675473, 13377365, 66886825]

約数ペア:

[(1, 66886825), (5, 13377365), (25, 2675473), (59, 1133675), (137, 488225), (295, 226735), (331, 202075), (685, 97645), (1475, 45347), (1655, 40415), (3425, 19529), (8083, 8275)]