12864490

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{18119}}^1$

素因数の和:18197

約数の個数: 16

約数和(自身を含む): 23483520

約数和(自身を除く): 10619030

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 18119, 36238, 90595, 181190, 1286449, 2572898, 6432245, 12864490]

約数ペア:

[(1, 12864490), (2, 6432245), (5, 2572898), (10, 1286449), (71, 181190), (142, 90595), (355, 36238), (710, 18119)]