199921706

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{647}}^1\times {\mathrm{3593}}^1$

素因数の和:4285

約数の個数: 16

約数和(自身を含む): 307416384

約数和(自身を除く): 107494678

約数列:

[1, 2, 43, 86, 647, 1294, 3593, 7186, 27821, 55642, 154499, 308998, 2324671, 4649342, 99960853, 199921706]

約数ペア:

[(1, 199921706), (2, 99960853), (43, 4649342), (86, 2324671), (647, 308998), (1294, 154499), (3593, 55642), (7186, 27821)]