987010

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1109}}^1$

素因数の和:1205

約数の個数: 16

約数和(自身を含む): 1798200

約数和(自身を除く): 811190

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 1109, 2218, 5545, 11090, 98701, 197402, 493505, 987010]

約数ペア:

[(1, 987010), (2, 493505), (5, 197402), (10, 98701), (89, 11090), (178, 5545), (445, 2218), (890, 1109)]