1215886

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{653}}^1$

素因数の和:688

約数の個数: 24

約数和(自身を含む): 2236680

約数和(自身を除く): 1020794

約数列:

[1, 2, 7, 14, 19, 38, 49, 98, 133, 266, 653, 931, 1306, 1862, 4571, 9142, 12407, 24814, 31997, 63994, 86849, 173698, 607943, 1215886]

約数ペア:

[(1, 1215886), (2, 607943), (7, 173698), (14, 86849), (19, 63994), (38, 31997), (49, 24814), (98, 12407), (133, 9142), (266, 4571), (653, 1862), (931, 1306)]