13290515

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{3191}}^1$

素因数の和:3227

約数の個数: 24

約数和(自身を含む): 19649952

約数和(自身を除く): 6359437

約数列:

[1, 5, 7, 17, 35, 49, 85, 119, 245, 595, 833, 3191, 4165, 15955, 22337, 54247, 111685, 156359, 271235, 379729, 781795, 1898645, 2658103, 13290515]

約数ペア:

[(1, 13290515), (5, 2658103), (7, 1898645), (17, 781795), (35, 379729), (49, 271235), (85, 156359), (119, 111685), (245, 54247), (595, 22337), (833, 15955), (3191, 4165)]