17985565

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{3109}}^1$

素因数の和:3216

約数の個数: 16

約数和(自身を含む): 23511600

約数和(自身を除く): 5526035

約数列:

[1, 5, 13, 65, 89, 445, 1157, 3109, 5785, 15545, 40417, 202085, 276701, 1383505, 3597113, 17985565]

約数ペア:

[(1, 17985565), (5, 3597113), (13, 1383505), (65, 276701), (89, 202085), (445, 40417), (1157, 15545), (3109, 5785)]