138889486

素因数分解:

$2^1\times {\mathrm{31}}^2\times {\mathrm{127}}^1\times {\mathrm{569}}^1$

素因数の和:760

約数の個数: 24

約数和(自身を含む): 217347840

約数和(自身を除く): 78458354

約数列:

[1, 2, 31, 62, 127, 254, 569, 961, 1138, 1922, 3937, 7874, 17639, 35278, 72263, 122047, 144526, 244094, 546809, 1093618, 2240153, 4480306, 69444743, 138889486]

約数ペア:

[(1, 138889486), (2, 69444743), (31, 4480306), (62, 2240153), (127, 1093618), (254, 546809), (569, 244094), (961, 144526), (1138, 122047), (1922, 72263), (3937, 35278), (7874, 17639)]