28692940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{84391}}^1$

素因数の和:84417

約数の個数: 24

約数和(自身を含む): 63800352

約数和(自身を除く): 35107412

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 84391, 168782, 337564, 421955, 843910, 1434647, 1687820, 2869294, 5738588, 7173235, 14346470, 28692940]

約数ペア:

[(1, 28692940), (2, 14346470), (4, 7173235), (5, 5738588), (10, 2869294), (17, 1687820), (20, 1434647), (34, 843910), (68, 421955), (85, 337564), (170, 168782), (340, 84391)]