199981288

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{17971}}^1$

素因数の和:18097

約数の個数: 32

約数和(自身を含む): 407604960

約数和(自身を除く): 207623672

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 107, 214, 428, 856, 1391, 2782, 5564, 11128, 17971, 35942, 71884, 143768, 233623, 467246, 934492, 1868984, 1922897, 3845794, 7691588, 15383176, 24997661, 49995322, 99990644, 199981288]

約数ペア:

[(1, 199981288), (2, 99990644), (4, 49995322), (8, 24997661), (13, 15383176), (26, 7691588), (52, 3845794), (104, 1922897), (107, 1868984), (214, 934492), (428, 467246), (856, 233623), (1391, 143768), (2782, 71884), (5564, 35942), (11128, 17971)]