81789416

素因数分解:

$2^3\times {\mathrm{103}}^1\times {\mathrm{99259}}^1$

素因数の和:99368

約数の個数: 16

約数和(自身を含む): 154845600

約数和(自身を除く): 73056184

約数列:

[1, 2, 4, 8, 103, 206, 412, 824, 99259, 198518, 397036, 794072, 10223677, 20447354, 40894708, 81789416]

約数ペア:

[(1, 81789416), (2, 40894708), (4, 20447354), (8, 10223677), (103, 794072), (206, 397036), (412, 198518), (824, 99259)]