81720344

素因数分解:

$2^3\times {\mathrm{911}}^1\times {\mathrm{11213}}^1$

素因数の和:12130

約数の個数: 16

約数和(自身を含む): 153407520

約数和(自身を除く): 71687176

約数列:

[1, 2, 4, 8, 911, 1822, 3644, 7288, 11213, 22426, 44852, 89704, 10215043, 20430086, 40860172, 81720344]

約数ペア:

[(1, 81720344), (2, 40860172), (4, 20430086), (8, 10215043), (911, 89704), (1822, 44852), (3644, 22426), (7288, 11213)]