221821712

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{1031}}^1$

素因数の和:1176

約数の個数: 80

約数和(自身を含む): 525180672

約数和(自身を除く): 303358960

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 113, 119, 136, 226, 238, 272, 452, 476, 791, 904, 952, 1031, 1582, 1808, 1904, 1921, 2062, 3164, 3842, 4124, 6328, 7217, 7684, 8248, 12656, 13447, 14434, 15368, 16496, 17527, 26894, 28868, 30736, 35054, 53788, 57736, 70108, 107576, 115472, 116503, 122689, 140216, 215152, 233006, 245378, 280432, 466012, 490756, 815521, 932024, 981512, 1631042, 1864048, 1963024, 1980551, 3262084, 3961102, 6524168, 7922204, 13048336, 13863857, 15844408, 27727714, 31688816, 55455428, 110910856, 221821712]

約数ペア:

[(1, 221821712), (2, 110910856), (4, 55455428), (7, 31688816), (8, 27727714), (14, 15844408), (16, 13863857), (17, 13048336), (28, 7922204), (34, 6524168), (56, 3961102), (68, 3262084), (112, 1980551), (113, 1963024), (119, 1864048), (136, 1631042), (226, 981512), (238, 932024), (272, 815521), (452, 490756), (476, 466012), (791, 280432), (904, 245378), (952, 233006), (1031, 215152), (1582, 140216), (1808, 122689), (1904, 116503), (1921, 115472), (2062, 107576), (3164, 70108), (3842, 57736), (4124, 53788), (6328, 35054), (7217, 30736), (7684, 28868), (8248, 26894), (12656, 17527), (13447, 16496), (14434, 15368)]