28161848

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{239}}^1$

素因数の和:372

約数の個数: 64

約数和(自身を含む): 62899200

約数和(自身を除く): 34737352

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 103, 104, 143, 206, 239, 286, 412, 478, 572, 824, 956, 1133, 1144, 1339, 1912, 2266, 2629, 2678, 3107, 4532, 5258, 5356, 6214, 9064, 10516, 10712, 12428, 14729, 21032, 24617, 24856, 29458, 34177, 49234, 58916, 68354, 98468, 117832, 136708, 196936, 270787, 273416, 320021, 541574, 640042, 1083148, 1280084, 2166296, 2560168, 3520231, 7040462, 14080924, 28161848]

約数ペア:

[(1, 28161848), (2, 14080924), (4, 7040462), (8, 3520231), (11, 2560168), (13, 2166296), (22, 1280084), (26, 1083148), (44, 640042), (52, 541574), (88, 320021), (103, 273416), (104, 270787), (143, 196936), (206, 136708), (239, 117832), (286, 98468), (412, 68354), (478, 58916), (572, 49234), (824, 34177), (956, 29458), (1133, 24856), (1144, 24617), (1339, 21032), (1912, 14729), (2266, 12428), (2629, 10712), (2678, 10516), (3107, 9064), (4532, 6214), (5258, 5356)]