678889778

素因数分解:

$2^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{115733}}^1$

素因数の和:116161

約数の個数: 16

約数和(自身を含む): 1166598720

約数和(自身を除く): 487708942

約数列:

[1, 2, 7, 14, 419, 838, 2933, 5866, 115733, 231466, 810131, 1620262, 48492127, 96984254, 339444889, 678889778]

約数ペア:

[(1, 678889778), (2, 339444889), (7, 96984254), (14, 48492127), (419, 1620262), (838, 810131), (2933, 231466), (5866, 115733)]