89007965

素因数分解:

$5^1\times {\mathrm{103}}^1\times {\mathrm{401}}^1\times {\mathrm{431}}^1$

素因数の和:940

約数の個数: 16

約数和(自身を含む): 108366336

約数和(自身を除く): 19358371

約数列:

[1, 5, 103, 401, 431, 515, 2005, 2155, 41303, 44393, 172831, 206515, 221965, 864155, 17801593, 89007965]

約数ペア:

[(1, 89007965), (5, 17801593), (103, 864155), (401, 221965), (431, 206515), (515, 172831), (2005, 44393), (2155, 41303)]