201731812

素因数分解:

$2^2\times {\mathrm{139}}^1\times {\mathrm{157}}^1\times {\mathrm{2311}}^1$

素因数の和:2611

約数の個数: 24

約数和(自身を含む): 357990080

約数和(自身を除く): 156258268

約数列:

[1, 2, 4, 139, 157, 278, 314, 556, 628, 2311, 4622, 9244, 21823, 43646, 87292, 321229, 362827, 642458, 725654, 1284916, 1451308, 50432953, 100865906, 201731812]

約数ペア:

[(1, 201731812), (2, 100865906), (4, 50432953), (139, 1451308), (157, 1284916), (278, 725654), (314, 642458), (556, 362827), (628, 321229), (2311, 87292), (4622, 43646), (9244, 21823)]