78817870

素因数分解:

$2^1\times 5^1\times {\mathrm{2447}}^1\times {\mathrm{3221}}^1$

素因数の和:5675

約数の個数: 16

約数和(自身を含む): 141974208

約数和(自身を除く): 63156338

約数列:

[1, 2, 5, 10, 2447, 3221, 4894, 6442, 12235, 16105, 24470, 32210, 7881787, 15763574, 39408935, 78817870]

約数ペア:

[(1, 78817870), (2, 39408935), (5, 15763574), (10, 7881787), (2447, 32210), (3221, 24470), (4894, 16105), (6442, 12235)]