308971564

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{638371}}^1$

素因数の和:638397

約数の個数: 18

約数和(自身を含む): 594324332

約数和(自身を除く): 285352768

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 638371, 1276742, 2553484, 7022081, 14044162, 28088324, 77242891, 154485782, 308971564]

約数ペア:

[(1, 308971564), (2, 154485782), (4, 77242891), (11, 28088324), (22, 14044162), (44, 7022081), (121, 2553484), (242, 1276742), (484, 638371)]