255580312

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{3907}}^1$

素因数の和:3980

約数の個数: 64

約数和(自身を含む): 561345120

約数和(自身を除く): 305764808

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 37, 52, 68, 74, 104, 136, 148, 221, 296, 442, 481, 629, 884, 962, 1258, 1768, 1924, 2516, 3848, 3907, 5032, 7814, 8177, 15628, 16354, 31256, 32708, 50791, 65416, 66419, 101582, 132838, 144559, 203164, 265676, 289118, 406328, 531352, 578236, 863447, 1156472, 1726894, 1879267, 2457503, 3453788, 3758534, 4915006, 6907576, 7517068, 9830012, 15034136, 19660024, 31947539, 63895078, 127790156, 255580312]

約数ペア:

[(1, 255580312), (2, 127790156), (4, 63895078), (8, 31947539), (13, 19660024), (17, 15034136), (26, 9830012), (34, 7517068), (37, 6907576), (52, 4915006), (68, 3758534), (74, 3453788), (104, 2457503), (136, 1879267), (148, 1726894), (221, 1156472), (296, 863447), (442, 578236), (481, 531352), (629, 406328), (884, 289118), (962, 265676), (1258, 203164), (1768, 144559), (1924, 132838), (2516, 101582), (3848, 66419), (3907, 65416), (5032, 50791), (7814, 32708), (8177, 31256), (15628, 16354)]