81730516

素因数分解:

$2^2\times 7^1\times {\mathrm{1319}}^1\times {\mathrm{2213}}^1$

素因数の和:3543

約数の個数: 24

約数和(自身を含む): 163658880

約数和(自身を除く): 81928364

約数列:

[1, 2, 4, 7, 14, 28, 1319, 2213, 2638, 4426, 5276, 8852, 9233, 15491, 18466, 30982, 36932, 61964, 2918947, 5837894, 11675788, 20432629, 40865258, 81730516]

約数ペア:

[(1, 81730516), (2, 40865258), (4, 20432629), (7, 11675788), (14, 5837894), (28, 2918947), (1319, 61964), (2213, 36932), (2638, 30982), (4426, 18466), (5276, 15491), (8852, 9233)]