88911990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{987911}}^1$

素因数の和:987924

約数の個数: 24

約数和(自身を含む): 231171408

約数和(自身を除く): 142259418

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 987911, 1975822, 2963733, 4939555, 5927466, 8891199, 9879110, 14818665, 17782398, 29637330, 44455995, 88911990]

約数ペア:

[(1, 88911990), (2, 44455995), (3, 29637330), (5, 17782398), (6, 14818665), (9, 9879110), (10, 8891199), (15, 5927466), (18, 4939555), (30, 2963733), (45, 1975822), (90, 987911)]