12861233

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1$

素因数の和:245

約数の個数: 32

約数和(自身を含む): 17280000

約数和(自身を除く): 4418767

約数列:

[1, 7, 11, 19, 59, 77, 133, 149, 209, 413, 649, 1043, 1121, 1463, 1639, 2831, 4543, 7847, 8791, 11473, 12331, 19817, 31141, 61537, 86317, 96701, 167029, 217987, 676907, 1169203, 1837319, 12861233]

約数ペア:

[(1, 12861233), (7, 1837319), (11, 1169203), (19, 676907), (59, 217987), (77, 167029), (133, 96701), (149, 86317), (209, 61537), (413, 31141), (649, 19817), (1043, 12331), (1121, 11473), (1463, 8791), (1639, 7847), (2831, 4543)]