78128008

素因数分解:

$2^3\times 7^1\times {\mathrm{139}}^1\times {\mathrm{10037}}^1$

素因数の和:10189

約数の個数: 32

約数和(自身を含む): 168638400

約数和(自身を除く): 90510392

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 139, 278, 556, 973, 1112, 1946, 3892, 7784, 10037, 20074, 40148, 70259, 80296, 140518, 281036, 562072, 1395143, 2790286, 5580572, 9766001, 11161144, 19532002, 39064004, 78128008]

約数ペア:

[(1, 78128008), (2, 39064004), (4, 19532002), (7, 11161144), (8, 9766001), (14, 5580572), (28, 2790286), (56, 1395143), (139, 562072), (278, 281036), (556, 140518), (973, 80296), (1112, 70259), (1946, 40148), (3892, 20074), (7784, 10037)]