67639405

素因数分解:

$5^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{1571}}^1$

素因数の和:1764

約数の個数: 16

約数和(自身を含む): 83001600

約数和(自身を除く): 15362195

約数列:

[1, 5, 79, 109, 395, 545, 1571, 7855, 8611, 43055, 124109, 171239, 620545, 856195, 13527881, 67639405]

約数ペア:

[(1, 67639405), (5, 13527881), (79, 856195), (109, 620545), (395, 171239), (545, 124109), (1571, 43055), (7855, 8611)]