217723974

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{709}}^1$

素因数の和:885

約数の個数: 64

約数和(自身を含む): 488570880

約数和(自身を除く): 270846906

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 127, 186, 254, 381, 403, 709, 762, 806, 1209, 1418, 1651, 2127, 2418, 3302, 3937, 4254, 4953, 7874, 9217, 9906, 11811, 18434, 21979, 23622, 27651, 43958, 51181, 55302, 65937, 90043, 102362, 131874, 153543, 180086, 270129, 285727, 307086, 540258, 571454, 857181, 1170559, 1714362, 2341118, 2791333, 3511677, 5582666, 7023354, 8373999, 16747998, 36287329, 72574658, 108861987, 217723974]

約数ペア:

[(1, 217723974), (2, 108861987), (3, 72574658), (6, 36287329), (13, 16747998), (26, 8373999), (31, 7023354), (39, 5582666), (62, 3511677), (78, 2791333), (93, 2341118), (127, 1714362), (186, 1170559), (254, 857181), (381, 571454), (403, 540258), (709, 307086), (762, 285727), (806, 270129), (1209, 180086), (1418, 153543), (1651, 131874), (2127, 102362), (2418, 90043), (3302, 65937), (3937, 55302), (4254, 51181), (4953, 43958), (7874, 27651), (9217, 23622), (9906, 21979), (11811, 18434)]