28031084

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{1109}}^1$

素因数の和:1273

約数の個数: 24

約数和(自身を含む): 50349600

約数和(自身を除く): 22318516

約数列:

[1, 2, 4, 71, 89, 142, 178, 284, 356, 1109, 2218, 4436, 6319, 12638, 25276, 78739, 98701, 157478, 197402, 314956, 394804, 7007771, 14015542, 28031084]

約数ペア:

[(1, 28031084), (2, 14015542), (4, 7007771), (71, 394804), (89, 314956), (142, 197402), (178, 157478), (284, 98701), (356, 78739), (1109, 25276), (2218, 12638), (4436, 6319)]