90312685

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{4159}}^1$

素因数の和:4308

約数の個数: 16

約数和(自身を含む): 112020480

約数和(自身を除く): 21707795

約数列:

[1, 5, 43, 101, 215, 505, 4159, 4343, 20795, 21715, 178837, 420059, 894185, 2100295, 18062537, 90312685]

約数ペア:

[(1, 90312685), (5, 18062537), (43, 2100295), (101, 894185), (215, 420059), (505, 178837), (4159, 21715), (4343, 20795)]