71561399

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{643}}^1\times {\mathrm{1223}}^1$

素因数の和:1886

約数の個数: 16

約数和(自身を含む): 88284672

約数和(自身を除く): 16723273

約数列:

[1, 7, 13, 91, 643, 1223, 4501, 8359, 8561, 15899, 58513, 111293, 786389, 5504723, 10223057, 71561399]

約数ペア:

[(1, 71561399), (7, 10223057), (13, 5504723), (91, 786389), (643, 111293), (1223, 58513), (4501, 15899), (8359, 8561)]