64981588

素因数分解:

$2^2\times 7^1\times {\mathrm{661}}^1\times {\mathrm{3511}}^1$

素因数の和:4183

約数の個数: 24

約数和(自身を含む): 130196864

約数和(自身を除く): 65215276

約数列:

[1, 2, 4, 7, 14, 28, 661, 1322, 2644, 3511, 4627, 7022, 9254, 14044, 18508, 24577, 49154, 98308, 2320771, 4641542, 9283084, 16245397, 32490794, 64981588]

約数ペア:

[(1, 64981588), (2, 32490794), (4, 16245397), (7, 9283084), (14, 4641542), (28, 2320771), (661, 98308), (1322, 49154), (2644, 24577), (3511, 18508), (4627, 14044), (7022, 9254)]