31129085

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{5381}}^1$

素因数の和:5488

約数の個数: 16

約数和(自身を含む): 40687920

約数和(自身を除く): 9558835

約数列:

[1, 5, 13, 65, 89, 445, 1157, 5381, 5785, 26905, 69953, 349765, 478909, 2394545, 6225817, 31129085]

約数ペア:

[(1, 31129085), (5, 6225817), (13, 2394545), (65, 478909), (89, 349765), (445, 69953), (1157, 26905), (5381, 5785)]