1813955

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:131

約数の個数: 32

約数和(自身を含む): 2661120

約数和(自身を除く): 847165

約数列:

[1, 5, 11, 13, 43, 55, 59, 65, 143, 215, 295, 473, 559, 649, 715, 767, 2365, 2537, 2795, 3245, 3835, 6149, 8437, 12685, 27907, 30745, 32981, 42185, 139535, 164905, 362791, 1813955]

約数ペア:

[(1, 1813955), (5, 362791), (11, 164905), (13, 139535), (43, 42185), (55, 32981), (59, 30745), (65, 27907), (143, 12685), (215, 8437), (295, 6149), (473, 3835), (559, 3245), (649, 2795), (715, 2537), (767, 2365)]