256179712

素因数分解:

$2^9\times {\mathrm{37}}^1\times {\mathrm{13523}}^1$

素因数の和:13578

約数の個数: 40

約数和(自身を含む): 525731976

約数和(自身を除く): 269552264

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 74, 128, 148, 256, 296, 512, 592, 1184, 2368, 4736, 9472, 13523, 18944, 27046, 54092, 108184, 216368, 432736, 500351, 865472, 1000702, 1730944, 2001404, 3461888, 4002808, 6923776, 8005616, 16011232, 32022464, 64044928, 128089856, 256179712]

約数ペア:

[(1, 256179712), (2, 128089856), (4, 64044928), (8, 32022464), (16, 16011232), (32, 8005616), (37, 6923776), (64, 4002808), (74, 3461888), (128, 2001404), (148, 1730944), (256, 1000702), (296, 865472), (512, 500351), (592, 432736), (1184, 216368), (2368, 108184), (4736, 54092), (9472, 27046), (13523, 18944)]