665819912

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{18089}}^1$

素因数の和:18245

約数の個数: 32

約数和(自身を含む): 1289455200

約数和(自身を除く): 623635288

約数列:

[1, 2, 4, 8, 43, 86, 107, 172, 214, 344, 428, 856, 4601, 9202, 18089, 18404, 36178, 36808, 72356, 144712, 777827, 1555654, 1935523, 3111308, 3871046, 6222616, 7742092, 15484184, 83227489, 166454978, 332909956, 665819912]

約数ペア:

[(1, 665819912), (2, 332909956), (4, 166454978), (8, 83227489), (43, 15484184), (86, 7742092), (107, 6222616), (172, 3871046), (214, 3111308), (344, 1935523), (428, 1555654), (856, 777827), (4601, 144712), (9202, 72356), (18089, 36808), (18404, 36178)]