79721774

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{23081}}^1$

素因数の和:23251

約数の個数: 16

約数和(自身を含む): 131290416

約数和(自身を除く): 51568642

約数列:

[1, 2, 11, 22, 157, 314, 1727, 3454, 23081, 46162, 253891, 507782, 3623717, 7247434, 39860887, 79721774]

約数ペア:

[(1, 79721774), (2, 39860887), (11, 7247434), (22, 3623717), (157, 507782), (314, 253891), (1727, 46162), (3454, 23081)]