68449328

素因数分解:

$2^4\times {\mathrm{491}}^1\times {\mathrm{8713}}^1$

素因数の和:9212

約数の個数: 20

約数和(自身を含む): 132905928

約数和(自身を除く): 64456600

約数列:

[1, 2, 4, 8, 16, 491, 982, 1964, 3928, 7856, 8713, 17426, 34852, 69704, 139408, 4278083, 8556166, 17112332, 34224664, 68449328]

約数ペア:

[(1, 68449328), (2, 34224664), (4, 17112332), (8, 8556166), (16, 4278083), (491, 139408), (982, 69704), (1964, 34852), (3928, 17426), (7856, 8713)]