30871084

素因数分解:

$2^2\times {\mathrm{71}}^2\times {\mathrm{1531}}^1$

素因数の和:1677

約数の個数: 18

約数和(自身を含む): 54831812

約数和(自身を除く): 23960728

約数列:

[1, 2, 4, 71, 142, 284, 1531, 3062, 5041, 6124, 10082, 20164, 108701, 217402, 434804, 7717771, 15435542, 30871084]

約数ペア:

[(1, 30871084), (2, 15435542), (4, 7717771), (71, 434804), (142, 217402), (284, 108701), (1531, 20164), (3062, 10082), (5041, 6124)]