205992016

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{4217}}^1$

素因数の和:4339

約数の個数: 40

約数和(自身を含む): 414241344

約数和(自身を除く): 208249328

約数列:

[1, 2, 4, 8, 16, 43, 71, 86, 142, 172, 284, 344, 568, 688, 1136, 3053, 4217, 6106, 8434, 12212, 16868, 24424, 33736, 48848, 67472, 181331, 299407, 362662, 598814, 725324, 1197628, 1450648, 2395256, 2901296, 4790512, 12874501, 25749002, 51498004, 102996008, 205992016]

約数ペア:

[(1, 205992016), (2, 102996008), (4, 51498004), (8, 25749002), (16, 12874501), (43, 4790512), (71, 2901296), (86, 2395256), (142, 1450648), (172, 1197628), (284, 725324), (344, 598814), (568, 362662), (688, 299407), (1136, 181331), (3053, 67472), (4217, 48848), (6106, 33736), (8434, 24424), (12212, 16868)]