86831225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^2$

素因数の和:218

約数の個数: 36

約数和(自身を含む): 119828268

約数和(自身を除く): 32997043

約数列:

[1, 5, 13, 25, 53, 65, 71, 265, 325, 355, 689, 923, 1325, 1775, 3445, 3763, 4615, 5041, 17225, 18815, 23075, 25205, 48919, 65533, 94075, 126025, 244595, 267173, 327665, 1222975, 1335865, 1638325, 3473249, 6679325, 17366245, 86831225]

約数ペア:

[(1, 86831225), (5, 17366245), (13, 6679325), (25, 3473249), (53, 1638325), (65, 1335865), (71, 1222975), (265, 327665), (325, 267173), (355, 244595), (689, 126025), (923, 94075), (1325, 65533), (1775, 48919), (3445, 25205), (3763, 23075), (4615, 18815), (5041, 17225)]