28184912

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1$

素因数の和:276

約数の個数: 80

約数和(自身を含む): 67174272

約数和(自身を除く): 38989360

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 113, 119, 131, 136, 226, 238, 262, 272, 452, 476, 524, 791, 904, 917, 952, 1048, 1582, 1808, 1834, 1904, 1921, 2096, 2227, 3164, 3668, 3842, 4454, 6328, 7336, 7684, 8908, 12656, 13447, 14672, 14803, 15368, 15589, 17816, 26894, 29606, 30736, 31178, 35632, 53788, 59212, 62356, 103621, 107576, 118424, 124712, 207242, 215152, 236848, 249424, 251651, 414484, 503302, 828968, 1006604, 1657936, 1761557, 2013208, 3523114, 4026416, 7046228, 14092456, 28184912]

約数ペア:

[(1, 28184912), (2, 14092456), (4, 7046228), (7, 4026416), (8, 3523114), (14, 2013208), (16, 1761557), (17, 1657936), (28, 1006604), (34, 828968), (56, 503302), (68, 414484), (112, 251651), (113, 249424), (119, 236848), (131, 215152), (136, 207242), (226, 124712), (238, 118424), (262, 107576), (272, 103621), (452, 62356), (476, 59212), (524, 53788), (791, 35632), (904, 31178), (917, 30736), (952, 29606), (1048, 26894), (1582, 17816), (1808, 15589), (1834, 15368), (1904, 14803), (1921, 14672), (2096, 13447), (2227, 12656), (3164, 8908), (3668, 7684), (3842, 7336), (4454, 6328)]