78821170

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{72313}}^1$

素因数の和:72429

約数の個数: 16

約数和(自身を含む): 143181720

約数和(自身を除く): 64360550

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 72313, 144626, 361565, 723130, 7882117, 15764234, 39410585, 78821170]

約数ペア:

[(1, 78821170), (2, 39410585), (5, 15764234), (10, 7882117), (109, 723130), (218, 361565), (545, 144626), (1090, 72313)]