217847994

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{398989}}^1$

素因数の和:399014

約数の個数: 32

約数和(自身を含む): 536242560

約数和(自身を除く): 318394566

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 182, 273, 546, 398989, 797978, 1196967, 2393934, 2792923, 5186857, 5585846, 8378769, 10373714, 15560571, 16757538, 31121142, 36307999, 72615998, 108923997, 217847994]

約数ペア:

[(1, 217847994), (2, 108923997), (3, 72615998), (6, 36307999), (7, 31121142), (13, 16757538), (14, 15560571), (21, 10373714), (26, 8378769), (39, 5585846), (42, 5186857), (78, 2792923), (91, 2393934), (182, 1196967), (273, 797978), (546, 398989)]