668673908

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1\times {\mathrm{2161}}^1$

素因数の和:2472

約数の個数: 48

約数和(自身を含む): 1374409344

約数和(自身を除く): 705735436

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 257, 301, 514, 602, 1028, 1204, 1799, 2161, 3598, 4322, 7196, 8644, 11051, 15127, 22102, 30254, 44204, 60508, 77357, 92923, 154714, 185846, 309428, 371692, 555377, 650461, 1110754, 1300922, 2221508, 2601844, 3887639, 7775278, 15550556, 23881211, 47762422, 95524844, 167168477, 334336954, 668673908]

約数ペア:

[(1, 668673908), (2, 334336954), (4, 167168477), (7, 95524844), (14, 47762422), (28, 23881211), (43, 15550556), (86, 7775278), (172, 3887639), (257, 2601844), (301, 2221508), (514, 1300922), (602, 1110754), (1028, 650461), (1204, 555377), (1799, 371692), (2161, 309428), (3598, 185846), (4322, 154714), (7196, 92923), (8644, 77357), (11051, 60508), (15127, 44204), (22102, 30254)]