1123891376

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{989341}}^1$

素因数の和:989420

約数の個数: 20

約数和(自身を含む): 2208211344

約数和(自身を除く): 1084319968

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 989341, 1978682, 3957364, 7914728, 15829456, 70243211, 140486422, 280972844, 561945688, 1123891376]

約数ペア:

[(1, 1123891376), (2, 561945688), (4, 280972844), (8, 140486422), (16, 70243211), (71, 15829456), (142, 7914728), (284, 3957364), (568, 1978682), (1136, 989341)]