12686378

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{2803}}^1$

素因数の和:2909

約数の個数: 16

約数和(自身を含む): 19919616

約数和(自身を除く): 7233238

約数列:

[1, 2, 31, 62, 73, 146, 2263, 2803, 4526, 5606, 86893, 173786, 204619, 409238, 6343189, 12686378]

約数ペア:

[(1, 12686378), (2, 6343189), (31, 409238), (62, 204619), (73, 173786), (146, 86893), (2263, 5606), (2803, 4526)]