81428944

素因数分解:

$2^4\times {\mathrm{557}}^1\times {\mathrm{9137}}^1$

素因数の和:9702

約数の個数: 20

約数和(自身を含む): 158069124

約数和(自身を除く): 76640180

約数列:

[1, 2, 4, 8, 16, 557, 1114, 2228, 4456, 8912, 9137, 18274, 36548, 73096, 146192, 5089309, 10178618, 20357236, 40714472, 81428944]

約数ペア:

[(1, 81428944), (2, 40714472), (4, 20357236), (8, 10178618), (16, 5089309), (557, 146192), (1114, 73096), (2228, 36548), (4456, 18274), (8912, 9137)]