138775728

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31771}}^1$

素因数の和:31802

約数の個数: 80

約数和(自身を含む): 441249536

約数和(自身を除く): 302473808

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 39, 42, 48, 52, 56, 78, 84, 91, 104, 112, 156, 168, 182, 208, 273, 312, 336, 364, 546, 624, 728, 1092, 1456, 2184, 4368, 31771, 63542, 95313, 127084, 190626, 222397, 254168, 381252, 413023, 444794, 508336, 667191, 762504, 826046, 889588, 1239069, 1334382, 1525008, 1652092, 1779176, 2478138, 2668764, 2891161, 3304184, 3558352, 4956276, 5337528, 5782322, 6608368, 8673483, 9912552, 10675056, 11564644, 17346966, 19825104, 23129288, 34693932, 46258576, 69387864, 138775728]

約数ペア:

[(1, 138775728), (2, 69387864), (3, 46258576), (4, 34693932), (6, 23129288), (7, 19825104), (8, 17346966), (12, 11564644), (13, 10675056), (14, 9912552), (16, 8673483), (21, 6608368), (24, 5782322), (26, 5337528), (28, 4956276), (39, 3558352), (42, 3304184), (48, 2891161), (52, 2668764), (56, 2478138), (78, 1779176), (84, 1652092), (91, 1525008), (104, 1334382), (112, 1239069), (156, 889588), (168, 826046), (182, 762504), (208, 667191), (273, 508336), (312, 444794), (336, 413023), (364, 381252), (546, 254168), (624, 222397), (728, 190626), (1092, 127084), (1456, 95313), (2184, 63542), (4368, 31771)]