81747064

素因数分解:

$2^3\times 7^1\times {\mathrm{397}}^1\times {\mathrm{3677}}^1$

素因数の和:4087

約数の個数: 32

約数和(自身を含む): 175661280

約数和(自身を除く): 93914216

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 397, 794, 1588, 2779, 3176, 3677, 5558, 7354, 11116, 14708, 22232, 25739, 29416, 51478, 102956, 205912, 1459769, 2919538, 5839076, 10218383, 11678152, 20436766, 40873532, 81747064]

約数ペア:

[(1, 81747064), (2, 40873532), (4, 20436766), (7, 11678152), (8, 10218383), (14, 5839076), (28, 2919538), (56, 1459769), (397, 205912), (794, 102956), (1588, 51478), (2779, 29416), (3176, 25739), (3677, 22232), (5558, 14708), (7354, 11116)]