31083871

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{283}}^1$

素因数の和:391

約数の個数: 32

約数和(自身を含む): 41223168

約数和(自身を除く): 10139297

約数列:

[1, 7, 13, 17, 71, 91, 119, 221, 283, 497, 923, 1207, 1547, 1981, 3679, 4811, 6461, 8449, 15691, 20093, 25753, 33677, 62543, 109837, 140651, 261209, 341581, 437801, 1828463, 2391067, 4440553, 31083871]

約数ペア:

[(1, 31083871), (7, 4440553), (13, 2391067), (17, 1828463), (71, 437801), (91, 341581), (119, 261209), (221, 140651), (283, 109837), (497, 62543), (923, 33677), (1207, 25753), (1547, 20093), (1981, 15691), (3679, 8449), (4811, 6461)]