142720016

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{217561}}^1$

素因数の和:217610

約数の個数: 20

約数和(自身を含む): 283265724

約数和(自身を除く): 140545708

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 217561, 435122, 870244, 1740488, 3480976, 8920001, 17840002, 35680004, 71360008, 142720016]

約数ペア:

[(1, 142720016), (2, 71360008), (4, 35680004), (8, 17840002), (16, 8920001), (41, 3480976), (82, 1740488), (164, 870244), (328, 435122), (656, 217561)]