208420656

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{241}}^1\times {\mathrm{419}}^1$

素因数の和:714

約数の個数: 80

約数和(自身を含む): 554547840

約数和(自身を除く): 346127184

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 86, 129, 172, 241, 258, 344, 419, 482, 516, 688, 723, 838, 964, 1032, 1257, 1446, 1676, 1928, 2064, 2514, 2892, 3352, 3856, 5028, 5784, 6704, 10056, 10363, 11568, 18017, 20112, 20726, 31089, 36034, 41452, 54051, 62178, 72068, 82904, 100979, 108102, 124356, 144136, 165808, 201958, 216204, 248712, 288272, 302937, 403916, 432408, 497424, 605874, 807832, 864816, 1211748, 1615664, 2423496, 4342097, 4846992, 8684194, 13026291, 17368388, 26052582, 34736776, 52105164, 69473552, 104210328, 208420656]

約数ペア:

[(1, 208420656), (2, 104210328), (3, 69473552), (4, 52105164), (6, 34736776), (8, 26052582), (12, 17368388), (16, 13026291), (24, 8684194), (43, 4846992), (48, 4342097), (86, 2423496), (129, 1615664), (172, 1211748), (241, 864816), (258, 807832), (344, 605874), (419, 497424), (482, 432408), (516, 403916), (688, 302937), (723, 288272), (838, 248712), (964, 216204), (1032, 201958), (1257, 165808), (1446, 144136), (1676, 124356), (1928, 108102), (2064, 100979), (2514, 82904), (2892, 72068), (3352, 62178), (3856, 54051), (5028, 41452), (5784, 36034), (6704, 31089), (10056, 20726), (10363, 20112), (11568, 18017)]