1640443376

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{1753}}^1$

素因数の和:2194

約数の個数: 80

約数和(自身を含む): 3745281120

約数和(自身を除く): 2104837744

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 286, 409, 572, 818, 1144, 1636, 1753, 2288, 3272, 3506, 4499, 5317, 6544, 7012, 8998, 10634, 14024, 17996, 19283, 21268, 22789, 28048, 35992, 38566, 42536, 45578, 58487, 71984, 77132, 85072, 91156, 116974, 154264, 182312, 233948, 250679, 308528, 364624, 467896, 501358, 716977, 935792, 1002716, 1433954, 2005432, 2867908, 4010864, 5735816, 7886747, 9320701, 11471632, 15773494, 18641402, 31546988, 37282804, 63093976, 74565608, 102527711, 126187952, 149131216, 205055422, 410110844, 820221688, 1640443376]

約数ペア:

[(1, 1640443376), (2, 820221688), (4, 410110844), (8, 205055422), (11, 149131216), (13, 126187952), (16, 102527711), (22, 74565608), (26, 63093976), (44, 37282804), (52, 31546988), (88, 18641402), (104, 15773494), (143, 11471632), (176, 9320701), (208, 7886747), (286, 5735816), (409, 4010864), (572, 2867908), (818, 2005432), (1144, 1433954), (1636, 1002716), (1753, 935792), (2288, 716977), (3272, 501358), (3506, 467896), (4499, 364624), (5317, 308528), (6544, 250679), (7012, 233948), (8998, 182312), (10634, 154264), (14024, 116974), (17996, 91156), (19283, 85072), (21268, 77132), (22789, 71984), (28048, 58487), (35992, 45578), (38566, 42536)]