291211118

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{26959}}^1$

素因数の和:27463

約数の個数: 16

約数和(自身を含む): 477515520

約数和(自身を除く): 186304402

約数列:

[1, 2, 11, 22, 491, 982, 5401, 10802, 26959, 53918, 296549, 593098, 13236869, 26473738, 145605559, 291211118]

約数ペア:

[(1, 291211118), (2, 145605559), (11, 26473738), (22, 13236869), (491, 593098), (982, 296549), (5401, 53918), (10802, 26959)]