15278225

素因数分解:

$5^2\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{199}}^1$

素因数の和:329

約数の個数: 24

約数和(自身を含む): 19790400

約数和(自身を除く): 4512175

約数列:

[1, 5, 25, 37, 83, 185, 199, 415, 925, 995, 2075, 3071, 4975, 7363, 15355, 16517, 36815, 76775, 82585, 184075, 412925, 611129, 3055645, 15278225]

約数ペア:

[(1, 15278225), (5, 3055645), (25, 611129), (37, 412925), (83, 184075), (185, 82585), (199, 76775), (415, 36815), (925, 16517), (995, 15355), (2075, 7363), (3071, 4975)]