81954235

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{677}}^1$

素因数の和:795

約数の個数: 32

約数和(自身を含む): 112472064

約数和(自身を除く): 30517829

約数列:

[1, 5, 11, 31, 55, 71, 155, 341, 355, 677, 781, 1705, 2201, 3385, 3905, 7447, 11005, 20987, 24211, 37235, 48067, 104935, 121055, 230857, 240335, 528737, 1154285, 1490077, 2643685, 7450385, 16390847, 81954235]

約数ペア:

[(1, 81954235), (5, 16390847), (11, 7450385), (31, 2643685), (55, 1490077), (71, 1154285), (155, 528737), (341, 240335), (355, 230857), (677, 121055), (781, 104935), (1705, 48067), (2201, 37235), (3385, 24211), (3905, 20987), (7447, 11005)]