2017280825

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{19571}}^1$

素因数の和:19638

約数の個数: 48

約数和(自身を含む): 3106467840

約数和(自身を除く): 1089187015

約数列:

[1, 5, 7, 19, 25, 31, 35, 95, 133, 155, 175, 217, 475, 589, 665, 775, 1085, 2945, 3325, 4123, 5425, 14725, 19571, 20615, 97855, 103075, 136997, 371849, 489275, 606701, 684985, 1859245, 2602943, 3033505, 3424925, 4246907, 9296225, 11527319, 13014715, 15167525, 21234535, 57636595, 65073575, 80691233, 106172675, 288182975, 403456165, 2017280825]

約数ペア:

[(1, 2017280825), (5, 403456165), (7, 288182975), (19, 106172675), (25, 80691233), (31, 65073575), (35, 57636595), (95, 21234535), (133, 15167525), (155, 13014715), (175, 11527319), (217, 9296225), (475, 4246907), (589, 3424925), (665, 3033505), (775, 2602943), (1085, 1859245), (2945, 684985), (3325, 606701), (4123, 489275), (5425, 371849), (14725, 136997), (19571, 103075), (20615, 97855)]