638789368

素因数分解:

$2^3\times 7^1\times {\mathrm{1439}}^1\times {\mathrm{7927}}^1$

素因数の和:9379

約数の個数: 32

約数和(自身を含む): 1369958400

約数和(自身を除く): 731169032

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 1439, 2878, 5756, 7927, 10073, 11512, 15854, 20146, 31708, 40292, 55489, 63416, 80584, 110978, 221956, 443912, 11406953, 22813906, 45627812, 79848671, 91255624, 159697342, 319394684, 638789368]

約数ペア:

[(1, 638789368), (2, 319394684), (4, 159697342), (7, 91255624), (8, 79848671), (14, 45627812), (28, 22813906), (56, 11406953), (1439, 443912), (2878, 221956), (5756, 110978), (7927, 80584), (10073, 63416), (11512, 55489), (15854, 40292), (20146, 31708)]