65916781

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{401}}^1\times {\mathrm{1021}}^1$

素因数の和:1452

約数の個数: 16

約数和(自身を含む): 78882048

約数和(自身を除く): 12965267

約数列:

[1, 7, 23, 161, 401, 1021, 2807, 7147, 9223, 23483, 64561, 164381, 409421, 2865947, 9416683, 65916781]

約数ペア:

[(1, 65916781), (7, 9416683), (23, 2865947), (161, 409421), (401, 164381), (1021, 64561), (2807, 23483), (7147, 9223)]