39666991

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{1249}}^1$

素因数の和:1618

約数の個数: 16

約数和(自身を含む): 49000000

約数和(自身を除く): 9333009

約数列:

[1, 7, 13, 91, 349, 1249, 2443, 4537, 8743, 16237, 31759, 113659, 435901, 3051307, 5666713, 39666991]

約数ペア:

[(1, 39666991), (7, 5666713), (13, 3051307), (91, 435901), (349, 113659), (1249, 31759), (2443, 16237), (4537, 8743)]