87370225

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{1231}}^1$

素因数の和:1425

約数の個数: 24

約数和(自身を含む): 115492608

約数和(自身を除く): 28122383

約数列:

[1, 5, 17, 25, 85, 167, 425, 835, 1231, 2839, 4175, 6155, 14195, 20927, 30775, 70975, 104635, 205577, 523175, 1027885, 3494809, 5139425, 17474045, 87370225]

約数ペア:

[(1, 87370225), (5, 17474045), (17, 5139425), (25, 3494809), (85, 1027885), (167, 523175), (425, 205577), (835, 104635), (1231, 70975), (2839, 30775), (4175, 20927), (6155, 14195)]