218447138

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{271}}^1$

素因数の和:439

約数の個数: 64

約数和(自身を含む): 418209792

約数和(自身を除く): 199762654

約数列:

[1, 2, 7, 13, 14, 26, 43, 86, 91, 103, 182, 206, 271, 301, 542, 559, 602, 721, 1118, 1339, 1442, 1897, 2678, 3523, 3794, 3913, 4429, 7046, 7826, 8858, 9373, 11653, 18746, 23306, 24661, 27913, 31003, 49322, 55826, 57577, 62006, 81571, 115154, 151489, 163142, 195391, 302978, 362869, 390782, 403039, 725738, 806078, 1060423, 1200259, 2120846, 2400518, 2540083, 5080166, 8401813, 15603367, 16803626, 31206734, 109223569, 218447138]

約数ペア:

[(1, 218447138), (2, 109223569), (7, 31206734), (13, 16803626), (14, 15603367), (26, 8401813), (43, 5080166), (86, 2540083), (91, 2400518), (103, 2120846), (182, 1200259), (206, 1060423), (271, 806078), (301, 725738), (542, 403039), (559, 390782), (602, 362869), (721, 302978), (1118, 195391), (1339, 163142), (1442, 151489), (1897, 115154), (2678, 81571), (3523, 62006), (3794, 57577), (3913, 55826), (4429, 49322), (7046, 31003), (7826, 27913), (8858, 24661), (9373, 23306), (11653, 18746)]