81303706

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{23539}}^1$

素因数の和:23709

約数の個数: 16

約数和(自身を含む): 133895520

約数和(自身を除く): 52591814

約数列:

[1, 2, 11, 22, 157, 314, 1727, 3454, 23539, 47078, 258929, 517858, 3695623, 7391246, 40651853, 81303706]

約数ペア:

[(1, 81303706), (2, 40651853), (11, 7391246), (22, 3695623), (157, 517858), (314, 258929), (1727, 47078), (3454, 23539)]