87993005

素因数分解:

$5^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1\times {\mathrm{569}}^1$

素因数の和:928

約数の個数: 16

約数和(自身を含む): 106991280

約数和(自身を除く): 18998275

約数列:

[1, 5, 157, 197, 569, 785, 985, 2845, 30929, 89333, 112093, 154645, 446665, 560465, 17598601, 87993005]

約数ペア:

[(1, 87993005), (5, 17598601), (157, 560465), (197, 446665), (569, 154645), (785, 112093), (985, 89333), (2845, 30929)]