81495248

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{49451}}^1$

素因数の和:49562

約数の個数: 20

約数和(自身を含む): 159433248

約数和(自身を除く): 77938000

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 49451, 98902, 197804, 395608, 791216, 5093453, 10186906, 20373812, 40747624, 81495248]

約数ペア:

[(1, 81495248), (2, 40747624), (4, 20373812), (8, 10186906), (16, 5093453), (103, 791216), (206, 395608), (412, 197804), (824, 98902), (1648, 49451)]