81431664

素因数分解:

$2^4\times 3^1\times {\mathrm{1696493}}^1$

素因数の和:1696504

約数の個数: 20

約数和(自身を含む): 210365256

約数和(自身を除く): 128933592

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 1696493, 3392986, 5089479, 6785972, 10178958, 13571944, 20357916, 27143888, 40715832, 81431664]

約数ペア:

[(1, 81431664), (2, 40715832), (3, 27143888), (4, 20357916), (6, 13571944), (8, 10178958), (12, 6785972), (16, 5089479), (24, 3392986), (48, 1696493)]