25126376

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{257}}^1$

素因数の和:386

約数の個数: 48

約数和(自身を含む): 52500420

約数和(自身を除く): 27374044

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 101, 121, 202, 242, 257, 404, 484, 514, 808, 968, 1028, 1111, 2056, 2222, 2827, 4444, 5654, 8888, 11308, 12221, 22616, 24442, 25957, 31097, 48884, 51914, 62194, 97768, 103828, 124388, 207656, 248776, 285527, 571054, 1142108, 2284216, 3140797, 6281594, 12563188, 25126376]

約数ペア:

[(1, 25126376), (2, 12563188), (4, 6281594), (8, 3140797), (11, 2284216), (22, 1142108), (44, 571054), (88, 285527), (101, 248776), (121, 207656), (202, 124388), (242, 103828), (257, 97768), (404, 62194), (484, 51914), (514, 48884), (808, 31097), (968, 25957), (1028, 24442), (1111, 22616), (2056, 12221), (2222, 11308), (2827, 8888), (4444, 5654)]