128742272

素因数分解:

$2^7\times {\mathrm{607}}^1\times {\mathrm{1657}}^1$

素因数の和:2278

約数の個数: 32

約数和(自身を含む): 257056320

約数和(自身を除く): 128314048

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 607, 1214, 1657, 2428, 3314, 4856, 6628, 9712, 13256, 19424, 26512, 38848, 53024, 77696, 106048, 212096, 1005799, 2011598, 4023196, 8046392, 16092784, 32185568, 64371136, 128742272]

約数ペア:

[(1, 128742272), (2, 64371136), (4, 32185568), (8, 16092784), (16, 8046392), (32, 4023196), (64, 2011598), (128, 1005799), (607, 212096), (1214, 106048), (1657, 77696), (2428, 53024), (3314, 38848), (4856, 26512), (6628, 19424), (9712, 13256)]