81416912

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{164147}}^1$

素因数の和:164186

約数の個数: 20

約数和(自身を含む): 162834816

約数和(自身を除く): 81417904

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 164147, 328294, 656588, 1313176, 2626352, 5088557, 10177114, 20354228, 40708456, 81416912]

約数ペア:

[(1, 81416912), (2, 40708456), (4, 20354228), (8, 10177114), (16, 5088557), (31, 2626352), (62, 1313176), (124, 656588), (248, 328294), (496, 164147)]