78504808

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{2161}}^1$

素因数の和:2425

約数の個数: 32

約数和(自身を含む): 155664000

約数和(自身を除く): 77159192

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 239, 478, 956, 1912, 2161, 4322, 4541, 8644, 9082, 17288, 18164, 36328, 41059, 82118, 164236, 328472, 516479, 1032958, 2065916, 4131832, 9813101, 19626202, 39252404, 78504808]

約数ペア:

[(1, 78504808), (2, 39252404), (4, 19626202), (8, 9813101), (19, 4131832), (38, 2065916), (76, 1032958), (152, 516479), (239, 328472), (478, 164236), (956, 82118), (1912, 41059), (2161, 36328), (4322, 18164), (4541, 17288), (8644, 9082)]