28184725

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:174

約数の個数: 36

約数和(自身を含む): 38372544

約数和(自身を除く): 10187819

約数列:

[1, 5, 17, 25, 47, 83, 85, 235, 289, 415, 425, 799, 1175, 1411, 1445, 2075, 3901, 3995, 7055, 7225, 13583, 19505, 19975, 23987, 35275, 66317, 67915, 97525, 119935, 331585, 339575, 599675, 1127389, 1657925, 5636945, 28184725]

約数ペア:

[(1, 28184725), (5, 5636945), (17, 1657925), (25, 1127389), (47, 599675), (83, 339575), (85, 331585), (235, 119935), (289, 97525), (415, 67915), (425, 66317), (799, 35275), (1175, 23987), (1411, 19975), (1445, 19505), (2075, 13583), (3901, 7225), (3995, 7055)]