12977209

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{263}}^1$

素因数の和:349

約数の個数: 24

約数和(自身を含む): 16251840

約数和(自身を除く): 3274631

約数列:

[1, 7, 19, 49, 53, 133, 263, 371, 931, 1007, 1841, 2597, 4997, 7049, 12887, 13939, 34979, 49343, 97573, 244853, 264841, 683011, 1853887, 12977209]

約数ペア:

[(1, 12977209), (7, 1853887), (19, 683011), (49, 264841), (53, 244853), (133, 97573), (263, 49343), (371, 34979), (931, 13939), (1007, 12887), (1841, 7049), (2597, 4997)]