1915949

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{641}}^1$

素因数の和:716

約数の個数: 12

約数和(自身を含む): 2268828

約数和(自身を除く): 352879

約数列:

[1, 7, 49, 61, 427, 641, 2989, 4487, 31409, 39101, 273707, 1915949]

約数ペア:

[(1, 1915949), (7, 273707), (49, 39101), (61, 31409), (427, 4487), (641, 2989)]