81906574

素因数分解:

$2^1\times {\mathrm{107}}^1\times {\mathrm{347}}^1\times {\mathrm{1103}}^1$

素因数の和:1559

約数の個数: 16

約数和(自身を含む): 124478208

約数和(自身を除く): 42571634

約数列:

[1, 2, 107, 214, 347, 694, 1103, 2206, 37129, 74258, 118021, 236042, 382741, 765482, 40953287, 81906574]

約数ペア:

[(1, 81906574), (2, 40953287), (107, 765482), (214, 382741), (347, 236042), (694, 118021), (1103, 74258), (2206, 37129)]