256987836

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{8291}}^1$

素因数の和:8352

約数の個数: 96

約数和(自身を含む): 780111360

約数和(自身を除く): 523123524

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 41, 42, 54, 63, 82, 84, 108, 123, 126, 164, 189, 246, 252, 287, 369, 378, 492, 574, 738, 756, 861, 1107, 1148, 1476, 1722, 2214, 2583, 3444, 4428, 5166, 7749, 8291, 10332, 15498, 16582, 24873, 30996, 33164, 49746, 58037, 74619, 99492, 116074, 149238, 174111, 223857, 232148, 298476, 339931, 348222, 447714, 522333, 679862, 696444, 895428, 1019793, 1044666, 1359724, 1566999, 2039586, 2089332, 2379517, 3059379, 3133998, 4079172, 4759034, 6118758, 6267996, 7138551, 9178137, 9518068, 12237516, 14277102, 18356274, 21415653, 28554204, 36712548, 42831306, 64246959, 85662612, 128493918, 256987836]

約数ペア:

[(1, 256987836), (2, 128493918), (3, 85662612), (4, 64246959), (6, 42831306), (7, 36712548), (9, 28554204), (12, 21415653), (14, 18356274), (18, 14277102), (21, 12237516), (27, 9518068), (28, 9178137), (36, 7138551), (41, 6267996), (42, 6118758), (54, 4759034), (63, 4079172), (82, 3133998), (84, 3059379), (108, 2379517), (123, 2089332), (126, 2039586), (164, 1566999), (189, 1359724), (246, 1044666), (252, 1019793), (287, 895428), (369, 696444), (378, 679862), (492, 522333), (574, 447714), (738, 348222), (756, 339931), (861, 298476), (1107, 232148), (1148, 223857), (1476, 174111), (1722, 149238), (2214, 116074), (2583, 99492), (3444, 74619), (4428, 58037), (5166, 49746), (7749, 33164), (8291, 30996), (10332, 24873), (15498, 16582)]