208734448

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{233}}^1$

素因数の和:386

約数の個数: 80

約数和(自身を含む): 450908640

約数和(自身を除く): 242174192

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 59, 73, 104, 118, 146, 208, 233, 236, 292, 466, 472, 584, 767, 932, 944, 949, 1168, 1534, 1864, 1898, 3029, 3068, 3728, 3796, 4307, 6058, 6136, 7592, 8614, 12116, 12272, 13747, 15184, 17009, 17228, 24232, 27494, 34018, 34456, 48464, 54988, 55991, 68036, 68912, 109976, 111982, 136072, 178711, 219952, 221117, 223964, 272144, 357422, 442234, 447928, 714844, 884468, 895856, 1003531, 1429688, 1768936, 2007062, 2859376, 3537872, 4014124, 8028248, 13045903, 16056496, 26091806, 52183612, 104367224, 208734448]

約数ペア:

[(1, 208734448), (2, 104367224), (4, 52183612), (8, 26091806), (13, 16056496), (16, 13045903), (26, 8028248), (52, 4014124), (59, 3537872), (73, 2859376), (104, 2007062), (118, 1768936), (146, 1429688), (208, 1003531), (233, 895856), (236, 884468), (292, 714844), (466, 447928), (472, 442234), (584, 357422), (767, 272144), (932, 223964), (944, 221117), (949, 219952), (1168, 178711), (1534, 136072), (1864, 111982), (1898, 109976), (3029, 68912), (3068, 68036), (3728, 55991), (3796, 54988), (4307, 48464), (6058, 34456), (6136, 34018), (7592, 27494), (8614, 24232), (12116, 17228), (12272, 17009), (13747, 15184)]