205408975

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{8713}}^1$

素因数の和:8787

約数の個数: 24

約数和(自身を含む): 272295072

約数和(自身を除く): 66886097

約数列:

[1, 5, 23, 25, 41, 115, 205, 575, 943, 1025, 4715, 8713, 23575, 43565, 200399, 217825, 357233, 1001995, 1786165, 5009975, 8216359, 8930825, 41081795, 205408975]

約数ペア:

[(1, 205408975), (5, 41081795), (23, 8930825), (25, 8216359), (41, 5009975), (115, 1786165), (205, 1001995), (575, 357233), (943, 217825), (1025, 200399), (4715, 43565), (8713, 23575)]