7974775

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{163}}^1$

素因数の和:295

約数の個数: 24

約数和(自身を含む): 10574720

約数和(自身を除く): 2599945

約数列:

[1, 5, 19, 25, 95, 103, 163, 475, 515, 815, 1957, 2575, 3097, 4075, 9785, 15485, 16789, 48925, 77425, 83945, 318991, 419725, 1594955, 7974775]

約数ペア:

[(1, 7974775), (5, 1594955), (19, 419725), (25, 318991), (95, 83945), (103, 77425), (163, 48925), (475, 16789), (515, 15485), (815, 9785), (1957, 4075), (2575, 3097)]