81520306

素因数分解:

$2^1\times 7^1\times {\mathrm{599}}^1\times {\mathrm{9721}}^1$

素因数の和:10329

約数の個数: 16

約数和(自身を含む): 139996800

約数和(自身を除く): 58476494

約数列:

[1, 2, 7, 14, 599, 1198, 4193, 8386, 9721, 19442, 68047, 136094, 5822879, 11645758, 40760153, 81520306]

約数ペア:

[(1, 81520306), (2, 40760153), (7, 11645758), (14, 5822879), (599, 136094), (1198, 68047), (4193, 19442), (8386, 9721)]