81949916

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{523}}^1\times {\mathrm{911}}^1$

素因数の和:1481

約数の個数: 24

約数和(自身を含む): 147189504

約数和(自身を除く): 65239588

約数列:

[1, 2, 4, 43, 86, 172, 523, 911, 1046, 1822, 2092, 3644, 22489, 39173, 44978, 78346, 89956, 156692, 476453, 952906, 1905812, 20487479, 40974958, 81949916]

約数ペア:

[(1, 81949916), (2, 40974958), (4, 20487479), (43, 1905812), (86, 952906), (172, 476453), (523, 156692), (911, 89956), (1046, 78346), (1822, 44978), (2092, 39173), (3644, 22489)]