28923425

素因数分解:

$5^2\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{263}}^1$

素因数の和:409

約数の個数: 24

約数和(自身を含む): 37122624

約数和(自身を除く): 8199199

約数列:

[1, 5, 25, 53, 83, 263, 265, 415, 1315, 1325, 2075, 4399, 6575, 13939, 21829, 21995, 69695, 109145, 109975, 348475, 545725, 1156937, 5784685, 28923425]

約数ペア:

[(1, 28923425), (5, 5784685), (25, 1156937), (53, 545725), (83, 348475), (263, 109975), (265, 109145), (415, 69695), (1315, 21995), (1325, 21829), (2075, 13939), (4399, 6575)]