8197345

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:229

約数の個数: 24

約数和(自身を含む): 10870200

約数和(自身を除く): 2672855

約数列:

[1, 5, 13, 65, 89, 109, 169, 445, 545, 845, 1157, 1417, 5785, 7085, 9701, 15041, 18421, 48505, 75205, 92105, 126113, 630565, 1639469, 8197345]

約数ペア:

[(1, 8197345), (5, 1639469), (13, 630565), (65, 126113), (89, 92105), (109, 75205), (169, 48505), (445, 18421), (545, 15041), (845, 9701), (1157, 7085), (1417, 5785)]