81037376

素因数分解:

$2^6\times 7^2\times {\mathrm{25841}}^1$

素因数の和:25867

約数の個数: 42

約数和(自身を含む): 187070238

約数和(自身を除く): 106032862

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 224, 392, 448, 784, 1568, 3136, 25841, 51682, 103364, 180887, 206728, 361774, 413456, 723548, 826912, 1266209, 1447096, 1653824, 2532418, 2894192, 5064836, 5788384, 10129672, 11576768, 20259344, 40518688, 81037376]

約数ペア:

[(1, 81037376), (2, 40518688), (4, 20259344), (7, 11576768), (8, 10129672), (14, 5788384), (16, 5064836), (28, 2894192), (32, 2532418), (49, 1653824), (56, 1447096), (64, 1266209), (98, 826912), (112, 723548), (196, 413456), (224, 361774), (392, 206728), (448, 180887), (784, 103364), (1568, 51682), (3136, 25841)]