1298291225

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{2687}}^1$

素因数の和:2966

約数の個数: 48

約数和(自身を含む): 2015870976

約数和(自身を除く): 717579751

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 175, 251, 275, 385, 1255, 1757, 1925, 2687, 2761, 6275, 8785, 13435, 13805, 18809, 19327, 29557, 43925, 67175, 69025, 94045, 96635, 147785, 206899, 470225, 483175, 674437, 738925, 1034495, 3372185, 4721059, 5172475, 7418807, 16860925, 23605295, 37094035, 51931649, 118026475, 185470175, 259658245, 1298291225]

約数ペア:

[(1, 1298291225), (5, 259658245), (7, 185470175), (11, 118026475), (25, 51931649), (35, 37094035), (55, 23605295), (77, 16860925), (175, 7418807), (251, 5172475), (275, 4721059), (385, 3372185), (1255, 1034495), (1757, 738925), (1925, 674437), (2687, 483175), (2761, 470225), (6275, 206899), (8785, 147785), (13435, 96635), (13805, 94045), (18809, 69025), (19327, 67175), (29557, 43925)]