81379432

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{535391}}^1$

素因数の和:535416

約数の個数: 16

約数和(自身を含む): 160617600

約数和(自身を除く): 79238168

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 535391, 1070782, 2141564, 4283128, 10172429, 20344858, 40689716, 81379432]

約数ペア:

[(1, 81379432), (2, 40689716), (4, 20344858), (8, 10172429), (19, 4283128), (38, 2141564), (76, 1070782), (152, 535391)]