80821823908

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{40654841}}^1$

素因数の和:40654923

約数の個数: 24

約数和(自身を含む): 163920322944

約数和(自身を除く): 83098499036

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 40654841, 81309682, 162619364, 284583887, 569167774, 1138335548, 2886493711, 5772987422, 11545974844, 20205455977, 40410911954, 80821823908]

約数ペア:

[(1, 80821823908), (2, 40410911954), (4, 20205455977), (7, 11545974844), (14, 5772987422), (28, 2886493711), (71, 1138335548), (142, 569167774), (284, 284583887), (497, 162619364), (994, 81309682), (1988, 40654841)]