204531908

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1\times {\mathrm{661}}^1$

素因数の和:972

約数の個数: 48

約数和(自身を含む): 420841344

約数和(自身を除く): 216309436

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 257, 301, 514, 602, 661, 1028, 1204, 1322, 1799, 2644, 3598, 4627, 7196, 9254, 11051, 18508, 22102, 28423, 44204, 56846, 77357, 113692, 154714, 169877, 198961, 309428, 339754, 397922, 679508, 795844, 1189139, 2378278, 4756556, 7304711, 14609422, 29218844, 51132977, 102265954, 204531908]

約数ペア:

[(1, 204531908), (2, 102265954), (4, 51132977), (7, 29218844), (14, 14609422), (28, 7304711), (43, 4756556), (86, 2378278), (172, 1189139), (257, 795844), (301, 679508), (514, 397922), (602, 339754), (661, 309428), (1028, 198961), (1204, 169877), (1322, 154714), (1799, 113692), (2644, 77357), (3598, 56846), (4627, 44204), (7196, 28423), (9254, 22102), (11051, 18508)]