64577215

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{349}}^1\times {\mathrm{1609}}^1$

素因数の和:1986

約数の個数: 16

約数和(自身を含む): 81144000

約数和(自身を除く): 16566785

約数列:

[1, 5, 23, 115, 349, 1609, 1745, 8027, 8045, 37007, 40135, 185035, 561541, 2807705, 12915443, 64577215]

約数ペア:

[(1, 64577215), (5, 12915443), (23, 2807705), (115, 561541), (349, 185035), (1609, 40135), (1745, 37007), (8027, 8045)]