81822090

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{389629}}^1$

素因数の和:389646

約数の個数: 32

約数和(自身を含む): 224426880

約数和(自身を除く): 142604790

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 389629, 779258, 1168887, 1948145, 2337774, 2727403, 3896290, 5454806, 5844435, 8182209, 11688870, 13637015, 16364418, 27274030, 40911045, 81822090]

約数ペア:

[(1, 81822090), (2, 40911045), (3, 27274030), (5, 16364418), (6, 13637015), (7, 11688870), (10, 8182209), (14, 5844435), (15, 5454806), (21, 3896290), (30, 2727403), (35, 2337774), (42, 1948145), (70, 1168887), (105, 779258), (210, 389629)]