257776384

素因数分解:

$2^8\times {\mathrm{443}}^1\times {\mathrm{2273}}^1$

素因数の和:2732

約数の個数: 36

約数和(自身を含む): 515934216

約数和(自身を除く): 258157832

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 443, 886, 1772, 2273, 3544, 4546, 7088, 9092, 14176, 18184, 28352, 36368, 56704, 72736, 113408, 145472, 290944, 581888, 1006939, 2013878, 4027756, 8055512, 16111024, 32222048, 64444096, 128888192, 257776384]

約数ペア:

[(1, 257776384), (2, 128888192), (4, 64444096), (8, 32222048), (16, 16111024), (32, 8055512), (64, 4027756), (128, 2013878), (256, 1006939), (443, 581888), (886, 290944), (1772, 145472), (2273, 113408), (3544, 72736), (4546, 56704), (7088, 36368), (9092, 28352), (14176, 18184)]