168309725

素因数分解:

$5^2\times {\mathrm{103}}^1\times {\mathrm{163}}^1\times {\mathrm{401}}^1$

素因数の和:677

約数の個数: 24

約数和(自身を含む): 212551872

約数和(自身を除く): 44242147

約数列:

[1, 5, 25, 103, 163, 401, 515, 815, 2005, 2575, 4075, 10025, 16789, 41303, 65363, 83945, 206515, 326815, 419725, 1032575, 1634075, 6732389, 33661945, 168309725]

約数ペア:

[(1, 168309725), (5, 33661945), (25, 6732389), (103, 1634075), (163, 1032575), (401, 419725), (515, 326815), (815, 206515), (2005, 83945), (2575, 65363), (4075, 41303), (10025, 16789)]