81153212

素因数分解:

$2^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{9629}}^1$

素因数の和:9690

約数の個数: 36

約数和(自身を含む): 169064280

約数和(自身を除く): 87911068

約数列:

[1, 2, 4, 7, 14, 28, 43, 49, 86, 98, 172, 196, 301, 602, 1204, 2107, 4214, 8428, 9629, 19258, 38516, 67403, 134806, 269612, 414047, 471821, 828094, 943642, 1656188, 1887284, 2898329, 5796658, 11593316, 20288303, 40576606, 81153212]

約数ペア:

[(1, 81153212), (2, 40576606), (4, 20288303), (7, 11593316), (14, 5796658), (28, 2898329), (43, 1887284), (49, 1656188), (86, 943642), (98, 828094), (172, 471821), (196, 414047), (301, 269612), (602, 134806), (1204, 67403), (2107, 38516), (4214, 19258), (8428, 9629)]