81655816

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{509}}^1\times {\mathrm{1823}}^1$

素因数の和:2349

約数の個数: 32

約数和(自身を含む): 167443200

約数和(自身を除く): 85787384

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 509, 1018, 1823, 2036, 3646, 4072, 5599, 7292, 11198, 14584, 20053, 22396, 40106, 44792, 80212, 160424, 927907, 1855814, 3711628, 7423256, 10206977, 20413954, 40827908, 81655816]

約数ペア:

[(1, 81655816), (2, 40827908), (4, 20413954), (8, 10206977), (11, 7423256), (22, 3711628), (44, 1855814), (88, 927907), (509, 160424), (1018, 80212), (1823, 44792), (2036, 40106), (3646, 22396), (4072, 20053), (5599, 14584), (7292, 11198)]