68320408

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{8999}}^1$

素因数の和:9091

約数の個数: 32

約数和(自身を含む): 139860000

約数和(自身を除く): 71539592

約数列:

[1, 2, 4, 8, 13, 26, 52, 73, 104, 146, 292, 584, 949, 1898, 3796, 7592, 8999, 17998, 35996, 71992, 116987, 233974, 467948, 656927, 935896, 1313854, 2627708, 5255416, 8540051, 17080102, 34160204, 68320408]

約数ペア:

[(1, 68320408), (2, 34160204), (4, 17080102), (8, 8540051), (13, 5255416), (26, 2627708), (52, 1313854), (73, 935896), (104, 656927), (146, 467948), (292, 233974), (584, 116987), (949, 71992), (1898, 35996), (3796, 17998), (7592, 8999)]