72008321

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{443}}^1\times {\mathrm{2111}}^1$

素因数の和:2572

約数の個数: 16

約数和(自身を含む): 90021888

約数和(自身を除く): 18013567

約数列:

[1, 7, 11, 77, 443, 2111, 3101, 4873, 14777, 23221, 34111, 162547, 935173, 6546211, 10286903, 72008321]

約数ペア:

[(1, 72008321), (7, 10286903), (11, 6546211), (77, 935173), (443, 162547), (2111, 34111), (3101, 23221), (4873, 14777)]