68430404

素因数分解:

$2^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{17839}}^1$

素因数の和:17987

約数の個数: 24

約数和(自身を含む): 137867520

約数和(自身を除く): 69437116

約数列:

[1, 2, 4, 7, 14, 28, 137, 274, 548, 959, 1918, 3836, 17839, 35678, 71356, 124873, 249746, 499492, 2443943, 4887886, 9775772, 17107601, 34215202, 68430404]

約数ペア:

[(1, 68430404), (2, 34215202), (4, 17107601), (7, 9775772), (14, 4887886), (28, 2443943), (137, 499492), (274, 249746), (548, 124873), (959, 71356), (1918, 35678), (3836, 17839)]