210865790

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1240387}}^1$

素因数の和:1240411

約数の個数: 16

約数和(自身を含む): 401885712

約数和(自身を除く): 191019922

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 1240387, 2480774, 6201935, 12403870, 21086579, 42173158, 105432895, 210865790]

約数ペア:

[(1, 210865790), (2, 105432895), (5, 42173158), (10, 21086579), (17, 12403870), (34, 6201935), (85, 2480774), (170, 1240387)]