2620243376

素因数分解:

$2^4\times {\mathrm{421}}^1\times {\mathrm{388991}}^1$

素因数の和:389420

約数の個数: 20

約数和(自身を含む): 5088793344

約数和(自身を除く): 2468549968

約数列:

[1, 2, 4, 8, 16, 421, 842, 1684, 3368, 6736, 388991, 777982, 1555964, 3111928, 6223856, 163765211, 327530422, 655060844, 1310121688, 2620243376]

約数ペア:

[(1, 2620243376), (2, 1310121688), (4, 655060844), (8, 327530422), (16, 163765211), (421, 6223856), (842, 3111928), (1684, 1555964), (3368, 777982), (6736, 388991)]