25643996

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:151

約数の個数: 72

約数和(自身を含む): 56327040

約数和(自身を除く): 30683044

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 43, 59, 76, 86, 118, 133, 172, 236, 266, 301, 361, 413, 532, 602, 722, 817, 826, 1121, 1204, 1444, 1634, 1652, 2242, 2527, 2537, 3268, 4484, 5054, 5074, 5719, 7847, 10108, 10148, 11438, 15523, 15694, 17759, 21299, 22876, 31046, 31388, 35518, 42598, 48203, 62092, 71036, 85196, 96406, 108661, 149093, 192812, 217322, 298186, 337421, 434644, 596372, 674842, 915857, 1349684, 1831714, 3663428, 6410999, 12821998, 25643996]

約数ペア:

[(1, 25643996), (2, 12821998), (4, 6410999), (7, 3663428), (14, 1831714), (19, 1349684), (28, 915857), (38, 674842), (43, 596372), (59, 434644), (76, 337421), (86, 298186), (118, 217322), (133, 192812), (172, 149093), (236, 108661), (266, 96406), (301, 85196), (361, 71036), (413, 62092), (532, 48203), (602, 42598), (722, 35518), (817, 31388), (826, 31046), (1121, 22876), (1204, 21299), (1444, 17759), (1634, 15694), (1652, 15523), (2242, 11438), (2527, 10148), (2537, 10108), (3268, 7847), (4484, 5719), (5054, 5074)]