208601968

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{2851}}^1$

素因数の和:3145

約数の個数: 40

約数和(自身を含む): 429682320

約数和(自身を除く): 221080352

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 269, 272, 538, 1076, 2152, 2851, 4304, 4573, 5702, 9146, 11404, 18292, 22808, 36584, 45616, 48467, 73168, 96934, 193868, 387736, 766919, 775472, 1533838, 3067676, 6135352, 12270704, 13037623, 26075246, 52150492, 104300984, 208601968]

約数ペア:

[(1, 208601968), (2, 104300984), (4, 52150492), (8, 26075246), (16, 13037623), (17, 12270704), (34, 6135352), (68, 3067676), (136, 1533838), (269, 775472), (272, 766919), (538, 387736), (1076, 193868), (2152, 96934), (2851, 73168), (4304, 48467), (4573, 45616), (5702, 36584), (9146, 22808), (11404, 18292)]