51586325

素因数分解:

$5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 77804544

約数和(自身を除く): 26218219

約数列:

[1, 5, 7, 25, 31, 35, 37, 155, 175, 185, 217, 257, 259, 775, 925, 1085, 1147, 1285, 1295, 1799, 5425, 5735, 6425, 6475, 7967, 8029, 8995, 9509, 28675, 39835, 40145, 44975, 47545, 55769, 66563, 199175, 200725, 237725, 278845, 294779, 332815, 1394225, 1473895, 1664075, 2063453, 7369475, 10317265, 51586325]

約数ペア:

[(1, 51586325), (5, 10317265), (7, 7369475), (25, 2063453), (31, 1664075), (35, 1473895), (37, 1394225), (155, 332815), (175, 294779), (185, 278845), (217, 237725), (257, 200725), (259, 199175), (775, 66563), (925, 55769), (1085, 47545), (1147, 44975), (1285, 40145), (1295, 39835), (1799, 28675), (5425, 9509), (5735, 8995), (6425, 8029), (6475, 7967)]