831475225

素因数分解:

$5^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{163}}^1\times {\mathrm{283}}^1$

素因数の和:566

約数の個数: 48

約数和(自身を含む): 1201288192

約数和(自身を除く): 369812967

約数列:

[1, 5, 7, 25, 35, 103, 163, 175, 283, 515, 721, 815, 1141, 1415, 1981, 2575, 3605, 4075, 5705, 7075, 9905, 16789, 18025, 28525, 29149, 46129, 49525, 83945, 117523, 145745, 204043, 230645, 322903, 419725, 587615, 728725, 1020215, 1153225, 1614515, 2938075, 4751287, 5101075, 8072575, 23756435, 33259009, 118782175, 166295045, 831475225]

約数ペア:

[(1, 831475225), (5, 166295045), (7, 118782175), (25, 33259009), (35, 23756435), (103, 8072575), (163, 5101075), (175, 4751287), (283, 2938075), (515, 1614515), (721, 1153225), (815, 1020215), (1141, 728725), (1415, 587615), (1981, 419725), (2575, 322903), (3605, 230645), (4075, 204043), (5705, 145745), (7075, 117523), (9905, 83945), (16789, 49525), (18025, 46129), (28525, 29149)]