79821028

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{20509}}^1$

素因数の和:20659

約数の個数: 24

約数和(自身を含む): 160798400

約数和(自身を除く): 80977372

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 20509, 41018, 82036, 143563, 287126, 574252, 2850751, 5701502, 11403004, 19955257, 39910514, 79821028]

約数ペア:

[(1, 79821028), (2, 39910514), (4, 19955257), (7, 11403004), (14, 5701502), (28, 2850751), (139, 574252), (278, 287126), (556, 143563), (973, 82036), (1946, 41018), (3892, 20509)]