212216238

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{193}}^1$

素因数の和:378

約数の個数: 96

約数和(自身を含む): 515214336

約数和(自身を除く): 302998098

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 37, 39, 74, 78, 111, 117, 127, 193, 222, 234, 254, 333, 381, 386, 481, 579, 666, 762, 962, 1143, 1158, 1443, 1651, 1737, 2286, 2509, 2886, 3302, 3474, 4329, 4699, 4953, 5018, 7141, 7527, 8658, 9398, 9906, 14097, 14282, 14859, 15054, 21423, 22581, 24511, 28194, 29718, 42291, 42846, 45162, 49022, 61087, 64269, 73533, 84582, 92833, 122174, 128538, 147066, 183261, 185666, 220599, 278499, 318643, 366522, 441198, 549783, 556998, 637286, 835497, 906907, 955929, 1099566, 1670994, 1813814, 1911858, 2720721, 2867787, 5441442, 5735574, 8162163, 11789791, 16324326, 23579582, 35369373, 70738746, 106108119, 212216238]

約数ペア:

[(1, 212216238), (2, 106108119), (3, 70738746), (6, 35369373), (9, 23579582), (13, 16324326), (18, 11789791), (26, 8162163), (37, 5735574), (39, 5441442), (74, 2867787), (78, 2720721), (111, 1911858), (117, 1813814), (127, 1670994), (193, 1099566), (222, 955929), (234, 906907), (254, 835497), (333, 637286), (381, 556998), (386, 549783), (481, 441198), (579, 366522), (666, 318643), (762, 278499), (962, 220599), (1143, 185666), (1158, 183261), (1443, 147066), (1651, 128538), (1737, 122174), (2286, 92833), (2509, 84582), (2886, 73533), (3302, 64269), (3474, 61087), (4329, 49022), (4699, 45162), (4953, 42846), (5018, 42291), (7141, 29718), (7527, 28194), (8658, 24511), (9398, 22581), (9906, 21423), (14097, 15054), (14282, 14859)]