291245306

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{1203493}}^1$

素因数の和:1203517

約数の個数: 12

約数和(自身を含む): 480194106

約数和(自身を除く): 188948800

約数列:

[1, 2, 11, 22, 121, 242, 1203493, 2406986, 13238423, 26476846, 145622653, 291245306]

約数ペア:

[(1, 291245306), (2, 145622653), (11, 26476846), (22, 13238423), (121, 2406986), (242, 1203493)]