201121042

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{278561}}^1$

素因数の和:278601

約数の個数: 12

約数和(自身を含む): 318396366

約数和(自身を除く): 117275324

約数列:

[1, 2, 19, 38, 361, 722, 278561, 557122, 5292659, 10585318, 100560521, 201121042]

約数ペア:

[(1, 201121042), (2, 100560521), (19, 10585318), (38, 5292659), (361, 557122), (722, 278561)]