81675604

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{2707}}^1$

素因数の和:3127

約数の個数: 24

約数和(自身を含む): 150889760

約数和(自身を除く): 69214156

約数列:

[1, 2, 4, 19, 38, 76, 397, 794, 1588, 2707, 5414, 7543, 10828, 15086, 30172, 51433, 102866, 205732, 1074679, 2149358, 4298716, 20418901, 40837802, 81675604]

約数ペア:

[(1, 81675604), (2, 40837802), (4, 20418901), (19, 4298716), (38, 2149358), (76, 1074679), (397, 205732), (794, 102866), (1588, 51433), (2707, 30172), (5414, 15086), (7543, 10828)]