317233028

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{81509}}^1$

素因数の和:81659

約数の個数: 24

約数和(自身を含む): 639038400

約数和(自身を除く): 321805372

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 81509, 163018, 326036, 570563, 1141126, 2282252, 11329751, 22659502, 45319004, 79308257, 158616514, 317233028]

約数ペア:

[(1, 317233028), (2, 158616514), (4, 79308257), (7, 45319004), (14, 22659502), (28, 11329751), (139, 2282252), (278, 1141126), (556, 570563), (973, 326036), (1946, 163018), (3892, 81509)]