678741896

素因数分解:

$2^3\times 7^1\times {\mathrm{12120391}}^1$

素因数の和:12120404

約数の個数: 16

約数和(自身を含む): 1454447040

約数和(自身を除く): 775705144

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 12120391, 24240782, 48481564, 84842737, 96963128, 169685474, 339370948, 678741896]

約数ペア:

[(1, 678741896), (2, 339370948), (4, 169685474), (7, 96963128), (8, 84842737), (14, 48481564), (28, 24240782), (56, 12120391)]