25308808

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1$

素因数の和:278

約数の個数: 64

約数和(自身を含む): 56689920

約数和(自身を除く): 31381112

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 73, 82, 146, 151, 164, 287, 292, 302, 328, 511, 574, 584, 604, 1022, 1057, 1148, 1208, 2044, 2114, 2296, 2993, 4088, 4228, 5986, 6191, 8456, 11023, 11972, 12382, 20951, 22046, 23944, 24764, 41902, 43337, 44092, 49528, 77161, 83804, 86674, 88184, 154322, 167608, 173348, 308644, 346696, 451943, 617288, 903886, 1807772, 3163601, 3615544, 6327202, 12654404, 25308808]

約数ペア:

[(1, 25308808), (2, 12654404), (4, 6327202), (7, 3615544), (8, 3163601), (14, 1807772), (28, 903886), (41, 617288), (56, 451943), (73, 346696), (82, 308644), (146, 173348), (151, 167608), (164, 154322), (287, 88184), (292, 86674), (302, 83804), (328, 77161), (511, 49528), (574, 44092), (584, 43337), (604, 41902), (1022, 24764), (1057, 23944), (1148, 22046), (1208, 20951), (2044, 12382), (2114, 11972), (2296, 11023), (2993, 8456), (4088, 6191), (4228, 5986)]