678339964

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{55547}}^1$

素因数の和:55665

約数の個数: 24

約数和(自身を含む): 1231832448

約数和(自身を除く): 553492484

約数列:

[1, 2, 4, 43, 71, 86, 142, 172, 284, 3053, 6106, 12212, 55547, 111094, 222188, 2388521, 3943837, 4777042, 7887674, 9554084, 15775348, 169584991, 339169982, 678339964]

約数ペア:

[(1, 678339964), (2, 339169982), (4, 169584991), (43, 15775348), (71, 9554084), (86, 7887674), (142, 4777042), (172, 3943837), (284, 2388521), (3053, 222188), (6106, 111094), (12212, 55547)]