66645691

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{1559}}^1$

素因数の和:1794

約数の個数: 16

約数和(自身を含む): 79073280

約数和(自身を除く): 12427589

約数列:

[1, 7, 31, 197, 217, 1379, 1559, 6107, 10913, 42749, 48329, 307123, 338303, 2149861, 9520813, 66645691]

約数ペア:

[(1, 66645691), (7, 9520813), (31, 2149861), (197, 338303), (217, 307123), (1379, 48329), (1559, 42749), (6107, 10913)]