312455556

素因数分解:

$2^2\times 3^4\times 7^2\times {\mathrm{19681}}^1$

素因数の和:19711

約数の個数: 90

約数和(自身を含む): 950227278

約数和(自身を除く): 637771722

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 81, 84, 98, 108, 126, 147, 162, 189, 196, 252, 294, 324, 378, 441, 567, 588, 756, 882, 1134, 1323, 1764, 2268, 2646, 3969, 5292, 7938, 15876, 19681, 39362, 59043, 78724, 118086, 137767, 177129, 236172, 275534, 354258, 413301, 531387, 551068, 708516, 826602, 964369, 1062774, 1239903, 1594161, 1653204, 1928738, 2125548, 2479806, 2893107, 3188322, 3719709, 3857476, 4959612, 5786214, 6376644, 7439418, 8679321, 11159127, 11572428, 14878836, 17358642, 22318254, 26037963, 34717284, 44636508, 52075926, 78113889, 104151852, 156227778, 312455556]

約数ペア:

[(1, 312455556), (2, 156227778), (3, 104151852), (4, 78113889), (6, 52075926), (7, 44636508), (9, 34717284), (12, 26037963), (14, 22318254), (18, 17358642), (21, 14878836), (27, 11572428), (28, 11159127), (36, 8679321), (42, 7439418), (49, 6376644), (54, 5786214), (63, 4959612), (81, 3857476), (84, 3719709), (98, 3188322), (108, 2893107), (126, 2479806), (147, 2125548), (162, 1928738), (189, 1653204), (196, 1594161), (252, 1239903), (294, 1062774), (324, 964369), (378, 826602), (441, 708516), (567, 551068), (588, 531387), (756, 413301), (882, 354258), (1134, 275534), (1323, 236172), (1764, 177129), (2268, 137767), (2646, 118086), (3969, 78724), (5292, 59043), (7938, 39362), (15876, 19681)]