81695632

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{221999}}^1$

素因数の和:222030

約数の個数: 20

約数和(自身を含む): 165168000

約数和(自身を除く): 83472368

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 221999, 443998, 887996, 1775992, 3551984, 5105977, 10211954, 20423908, 40847816, 81695632]

約数ペア:

[(1, 81695632), (2, 40847816), (4, 20423908), (8, 10211954), (16, 5105977), (23, 3551984), (46, 1775992), (92, 887996), (184, 443998), (368, 221999)]