8991356

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{1129}}^1$

素因数の和:1325

約数の個数: 24

約数和(自身を含む): 17275440

約数和(自身を除く): 8284084

約数列:

[1, 2, 4, 11, 22, 44, 181, 362, 724, 1129, 1991, 2258, 3982, 4516, 7964, 12419, 24838, 49676, 204349, 408698, 817396, 2247839, 4495678, 8991356]

約数ペア:

[(1, 8991356), (2, 4495678), (4, 2247839), (11, 817396), (22, 408698), (44, 204349), (181, 49676), (362, 24838), (724, 12419), (1129, 7964), (1991, 4516), (2258, 3982)]