81987728

素因数分解:

$2^4\times {\mathrm{179}}^1\times {\mathrm{28627}}^1$

素因数の和:28814

約数の個数: 20

約数和(自身を含む): 159744240

約数和(自身を除く): 77756512

約数列:

[1, 2, 4, 8, 16, 179, 358, 716, 1432, 2864, 28627, 57254, 114508, 229016, 458032, 5124233, 10248466, 20496932, 40993864, 81987728]

約数ペア:

[(1, 81987728), (2, 40993864), (4, 20496932), (8, 10248466), (16, 5124233), (179, 458032), (358, 229016), (716, 114508), (1432, 57254), (2864, 28627)]