7890638

素因数分解:

$2^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{2861}}^1$

素因数の和:3067

約数の個数: 16

約数和(自身を含む): 13600224

約数和(自身を除く): 5709586

約数列:

[1, 2, 7, 14, 197, 394, 1379, 2758, 2861, 5722, 20027, 40054, 563617, 1127234, 3945319, 7890638]

約数ペア:

[(1, 7890638), (2, 3945319), (7, 1127234), (14, 563617), (197, 40054), (394, 20027), (1379, 5722), (2758, 2861)]