81168052

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{40829}}^1$

素因数の和:40911

約数の個数: 24

約数和(自身を含む): 164626560

約数和(自身を除く): 83458508

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 40829, 81658, 163316, 285803, 571606, 1143212, 2898859, 5797718, 11595436, 20292013, 40584026, 81168052]

約数ペア:

[(1, 81168052), (2, 40584026), (4, 20292013), (7, 11595436), (14, 5797718), (28, 2898859), (71, 1143212), (142, 571606), (284, 285803), (497, 163316), (994, 81658), (1988, 40829)]