27890108

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{157}}^1\times {\mathrm{499}}^1$

素因数の和:749

約数の個数: 24

約数和(自身を含む): 49770000

約数和(自身を除く): 21879892

約数列:

[1, 2, 4, 89, 157, 178, 314, 356, 499, 628, 998, 1996, 13973, 27946, 44411, 55892, 78343, 88822, 156686, 177644, 313372, 6972527, 13945054, 27890108]

約数ペア:

[(1, 27890108), (2, 13945054), (4, 6972527), (89, 313372), (157, 177644), (178, 156686), (314, 88822), (356, 78343), (499, 55892), (628, 44411), (998, 27946), (1996, 13973)]