890991994

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1\times {\mathrm{25409}}^1$

素因数の和:25697

約数の個数: 16

約数和(自身を含む): 1358418600

約数和(自身を除く): 467426606

約数列:

[1, 2, 89, 178, 197, 394, 17533, 25409, 35066, 50818, 2261401, 4522802, 5005573, 10011146, 445495997, 890991994]

約数ペア:

[(1, 890991994), (2, 445495997), (89, 10011146), (178, 5005573), (197, 4522802), (394, 2261401), (17533, 50818), (25409, 35066)]