28723165

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1\times {\mathrm{839}}^1$

素因数の和:1052

約数の個数: 16

約数和(自身を含む): 35562240

約数和(自身を除く): 6839075

約数列:

[1, 5, 41, 167, 205, 835, 839, 4195, 6847, 34235, 34399, 140113, 171995, 700565, 5744633, 28723165]

約数ペア:

[(1, 28723165), (5, 5744633), (41, 700565), (167, 171995), (205, 140113), (835, 34399), (839, 34235), (4195, 6847)]