128742752

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{233}}^1\times {\mathrm{557}}^1$

素因数の和:831

約数の個数: 48

約数和(自身を含む): 263233152

約数和(自身を除く): 134490400

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 233, 248, 466, 496, 557, 932, 992, 1114, 1864, 2228, 3728, 4456, 7223, 7456, 8912, 14446, 17267, 17824, 28892, 34534, 57784, 69068, 115568, 129781, 138136, 231136, 259562, 276272, 519124, 552544, 1038248, 2076496, 4023211, 4152992, 8046422, 16092844, 32185688, 64371376, 128742752]

約数ペア:

[(1, 128742752), (2, 64371376), (4, 32185688), (8, 16092844), (16, 8046422), (31, 4152992), (32, 4023211), (62, 2076496), (124, 1038248), (233, 552544), (248, 519124), (466, 276272), (496, 259562), (557, 231136), (932, 138136), (992, 129781), (1114, 115568), (1864, 69068), (2228, 57784), (3728, 34534), (4456, 28892), (7223, 17824), (7456, 17267), (8912, 14446)]