81512872

素因数分解:

$2^3\times 7^2\times {\mathrm{207941}}^1$

素因数の和:207961

約数の個数: 24

約数和(自身を含む): 177790410

約数和(自身を除く): 96277538

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 207941, 415882, 831764, 1455587, 1663528, 2911174, 5822348, 10189109, 11644696, 20378218, 40756436, 81512872]

約数ペア:

[(1, 81512872), (2, 40756436), (4, 20378218), (7, 11644696), (8, 10189109), (14, 5822348), (28, 2911174), (49, 1663528), (56, 1455587), (98, 831764), (196, 415882), (392, 207941)]