81528238

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{161123}}^1$

素因数の和:161159

約数の個数: 16

約数和(自身を含む): 139211136

約数和(自身を除く): 57682898

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 161123, 322246, 1772353, 3544706, 3705829, 7411658, 40764119, 81528238]

約数ペア:

[(1, 81528238), (2, 40764119), (11, 7411658), (22, 3705829), (23, 3544706), (46, 1772353), (253, 322246), (506, 161123)]