67391575

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{337}}^1\times {\mathrm{421}}^1$

素因数の和:787

約数の個数: 24

約数和(自身を含む): 88434320

約数和(自身を除く): 21042745

約数列:

[1, 5, 19, 25, 95, 337, 421, 475, 1685, 2105, 6403, 7999, 8425, 10525, 32015, 39995, 141877, 160075, 199975, 709385, 2695663, 3546925, 13478315, 67391575]

約数ペア:

[(1, 67391575), (5, 13478315), (19, 3546925), (25, 2695663), (95, 709385), (337, 199975), (421, 160075), (475, 141877), (1685, 39995), (2105, 32015), (6403, 10525), (7999, 8425)]