28745915

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{3329}}^1$

素因数の和:3502

約数の個数: 16

約数和(自身を含む): 37882080

約数和(自身を除く): 9136165

約数列:

[1, 5, 11, 55, 157, 785, 1727, 3329, 8635, 16645, 36619, 183095, 522653, 2613265, 5749183, 28745915]

約数ペア:

[(1, 28745915), (5, 5749183), (11, 2613265), (55, 522653), (157, 183095), (785, 36619), (1727, 16645), (3329, 8635)]