551791681

素因数分解:

$7^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1\times {\mathrm{3671}}^1$

素因数の和:3984

約数の個数: 16

約数和(自身を含む): 639809280

約数和(自身を除く): 88017599

約数列:

[1, 7, 109, 197, 763, 1379, 3671, 21473, 25697, 150311, 400139, 723187, 2800973, 5062309, 78827383, 551791681]

約数ペア:

[(1, 551791681), (7, 78827383), (109, 5062309), (197, 2800973), (763, 723187), (1379, 400139), (3671, 150311), (21473, 25697)]