678789938

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{398819}}^1$

素因数の和:398881

約数の個数: 16

約数和(自身を含む): 1091171520

約数和(自身を除く): 412381582

約数列:

[1, 2, 23, 37, 46, 74, 851, 1702, 398819, 797638, 9172837, 14756303, 18345674, 29512606, 339394969, 678789938]

約数ペア:

[(1, 678789938), (2, 339394969), (23, 29512606), (37, 18345674), (46, 14756303), (74, 9172837), (851, 797638), (1702, 398819)]