401026128

素因数分解:

$2^4\times 3^1\times {\mathrm{37}}^1\times {\mathrm{349}}^1\times {\mathrm{647}}^1$

素因数の和:1044

約数の個数: 80

約数和(自身を含む): 1068681600

約数和(自身を除く): 667655472

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 48, 74, 111, 148, 222, 296, 349, 444, 592, 647, 698, 888, 1047, 1294, 1396, 1776, 1941, 2094, 2588, 2792, 3882, 4188, 5176, 5584, 7764, 8376, 10352, 12913, 15528, 16752, 23939, 25826, 31056, 38739, 47878, 51652, 71817, 77478, 95756, 103304, 143634, 154956, 191512, 206608, 225803, 287268, 309912, 383024, 451606, 574536, 619824, 677409, 903212, 1149072, 1354818, 1806424, 2709636, 3612848, 5419272, 8354711, 10838544, 16709422, 25064133, 33418844, 50128266, 66837688, 100256532, 133675376, 200513064, 401026128]

約数ペア:

[(1, 401026128), (2, 200513064), (3, 133675376), (4, 100256532), (6, 66837688), (8, 50128266), (12, 33418844), (16, 25064133), (24, 16709422), (37, 10838544), (48, 8354711), (74, 5419272), (111, 3612848), (148, 2709636), (222, 1806424), (296, 1354818), (349, 1149072), (444, 903212), (592, 677409), (647, 619824), (698, 574536), (888, 451606), (1047, 383024), (1294, 309912), (1396, 287268), (1776, 225803), (1941, 206608), (2094, 191512), (2588, 154956), (2792, 143634), (3882, 103304), (4188, 95756), (5176, 77478), (5584, 71817), (7764, 51652), (8376, 47878), (10352, 38739), (12913, 31056), (15528, 25826), (16752, 23939)]