78106925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{211}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 112617792

約数和(自身を除く): 34510867

約数列:

[1, 5, 13, 17, 25, 65, 67, 85, 211, 221, 325, 335, 425, 871, 1055, 1105, 1139, 1675, 2743, 3587, 4355, 5275, 5525, 5695, 13715, 14137, 14807, 17935, 21775, 28475, 46631, 68575, 70685, 74035, 89675, 183781, 233155, 240329, 353425, 370175, 918905, 1165775, 1201645, 3124277, 4594525, 6008225, 15621385, 78106925]

約数ペア:

[(1, 78106925), (5, 15621385), (13, 6008225), (17, 4594525), (25, 3124277), (65, 1201645), (67, 1165775), (85, 918905), (211, 370175), (221, 353425), (325, 240329), (335, 233155), (425, 183781), (871, 89675), (1055, 74035), (1105, 70685), (1139, 68575), (1675, 46631), (2743, 28475), (3587, 21775), (4355, 17935), (5275, 14807), (5525, 14137), (5695, 13715)]