28831372

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{743}}^1$

素因数の和:945

約数の個数: 24

約数和(自身を含む): 51559200

約数和(自身を除く): 22727828

約数列:

[1, 2, 4, 89, 109, 178, 218, 356, 436, 743, 1486, 2972, 9701, 19402, 38804, 66127, 80987, 132254, 161974, 264508, 323948, 7207843, 14415686, 28831372]

約数ペア:

[(1, 28831372), (2, 14415686), (4, 7207843), (89, 323948), (109, 264508), (178, 161974), (218, 132254), (356, 80987), (436, 66127), (743, 38804), (1486, 19402), (2972, 9701)]