285465856

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2767}}^1$

素因数の和:2827

約数の個数: 72

約数和(自身を含む): 633672704

約数和(自身を除く): 348206848

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 208, 248, 256, 403, 416, 496, 806, 832, 992, 1612, 1664, 1984, 2767, 3224, 3328, 3968, 5534, 6448, 7936, 11068, 12896, 22136, 25792, 35971, 44272, 51584, 71942, 85777, 88544, 103168, 143884, 171554, 177088, 287768, 343108, 354176, 575536, 686216, 708352, 1115101, 1151072, 1372432, 2230202, 2302144, 2744864, 4460404, 4604288, 5489728, 8920808, 9208576, 10979456, 17841616, 21958912, 35683232, 71366464, 142732928, 285465856]

約数ペア:

[(1, 285465856), (2, 142732928), (4, 71366464), (8, 35683232), (13, 21958912), (16, 17841616), (26, 10979456), (31, 9208576), (32, 8920808), (52, 5489728), (62, 4604288), (64, 4460404), (104, 2744864), (124, 2302144), (128, 2230202), (208, 1372432), (248, 1151072), (256, 1115101), (403, 708352), (416, 686216), (496, 575536), (806, 354176), (832, 343108), (992, 287768), (1612, 177088), (1664, 171554), (1984, 143884), (2767, 103168), (3224, 88544), (3328, 85777), (3968, 71942), (5534, 51584), (6448, 44272), (7936, 35971), (11068, 25792), (12896, 22136)]