81811408

素因数分解:

$2^4\times 7^1\times {\mathrm{730459}}^1$

素因数の和:730474

約数の個数: 20

約数和(自身を含む): 181154080

約数和(自身を除く): 99342672

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 730459, 1460918, 2921836, 5113213, 5843672, 10226426, 11687344, 20452852, 40905704, 81811408]

約数ペア:

[(1, 81811408), (2, 40905704), (4, 20452852), (7, 11687344), (8, 10226426), (14, 5843672), (16, 5113213), (28, 2921836), (56, 1460918), (112, 730459)]