9893405

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{487}}^1$

素因数の和:748

約数の個数: 16

約数和(自身を含む): 12648960

約数和(自身を除く): 2755555

約数列:

[1, 5, 17, 85, 239, 487, 1195, 2435, 4063, 8279, 20315, 41395, 116393, 581965, 1978681, 9893405]

約数ペア:

[(1, 9893405), (5, 1978681), (17, 581965), (85, 116393), (239, 41395), (487, 20315), (1195, 8279), (2435, 4063)]