25865992012

素因数分解:

$2^2\times 7^2\times {\mathrm{193}}^1\times {\mathrm{239}}^1\times {\mathrm{2861}}^1$

素因数の和:3311

約数の個数: 72

約数和(自身を含む): 53168633280

約数和(自身を除く): 27302641268

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 193, 196, 239, 386, 478, 772, 956, 1351, 1673, 2702, 2861, 3346, 5404, 5722, 6692, 9457, 11444, 11711, 18914, 20027, 23422, 37828, 40054, 46127, 46844, 80108, 92254, 140189, 184508, 280378, 322889, 552173, 560756, 645778, 683779, 1104346, 1291556, 1367558, 2208692, 2260223, 2735116, 3865211, 4520446, 4786453, 7730422, 9040892, 9572906, 15460844, 19145812, 27056477, 33505171, 54112954, 67010342, 108225908, 131969347, 134020684, 263938694, 527877388, 923785429, 1847570858, 3695141716, 6466498003, 12932996006, 25865992012]

約数ペア:

[(1, 25865992012), (2, 12932996006), (4, 6466498003), (7, 3695141716), (14, 1847570858), (28, 923785429), (49, 527877388), (98, 263938694), (193, 134020684), (196, 131969347), (239, 108225908), (386, 67010342), (478, 54112954), (772, 33505171), (956, 27056477), (1351, 19145812), (1673, 15460844), (2702, 9572906), (2861, 9040892), (3346, 7730422), (5404, 4786453), (5722, 4520446), (6692, 3865211), (9457, 2735116), (11444, 2260223), (11711, 2208692), (18914, 1367558), (20027, 1291556), (23422, 1104346), (37828, 683779), (40054, 645778), (46127, 560756), (46844, 552173), (80108, 322889), (92254, 280378), (140189, 184508)]