66545725

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{601}}^1$

素因数の和:757

約数の個数: 24

約数和(自身を含む): 85397312

約数和(自身を除く): 18851587

約数列:

[1, 5, 25, 43, 103, 215, 515, 601, 1075, 2575, 3005, 4429, 15025, 22145, 25843, 61903, 110725, 129215, 309515, 646075, 1547575, 2661829, 13309145, 66545725]

約数ペア:

[(1, 66545725), (5, 13309145), (25, 2661829), (43, 1547575), (103, 646075), (215, 309515), (515, 129215), (601, 110725), (1075, 61903), (2575, 25843), (3005, 22145), (4429, 15025)]