28440783568

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{43354853}}^1$

素因数の和:43354902

約数の個数: 20

約数和(自身を含む): 56448019908

約数和(自身を除く): 28007236340

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 43354853, 86709706, 173419412, 346838824, 693677648, 1777548973, 3555097946, 7110195892, 14220391784, 28440783568]

約数ペア:

[(1, 28440783568), (2, 14220391784), (4, 7110195892), (8, 3555097946), (16, 1777548973), (41, 693677648), (82, 346838824), (164, 173419412), (328, 86709706), (656, 43354853)]