266771312

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{387749}}^1$

素因数の和:387800

約数の個数: 20

約数和(自身を含む): 528891000

約数和(自身を除く): 262119688

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 387749, 775498, 1550996, 3101992, 6203984, 16673207, 33346414, 66692828, 133385656, 266771312]

約数ペア:

[(1, 266771312), (2, 133385656), (4, 66692828), (8, 33346414), (16, 16673207), (43, 6203984), (86, 3101992), (172, 1550996), (344, 775498), (688, 387749)]