13781488

素因数分解:

$2^4\times 7^1\times {\mathrm{123049}}^1$

素因数の和:123064

約数の個数: 20

約数和(自身を含む): 30516400

約数和(自身を除く): 16734912

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 123049, 246098, 492196, 861343, 984392, 1722686, 1968784, 3445372, 6890744, 13781488]

約数ペア:

[(1, 13781488), (2, 6890744), (4, 3445372), (7, 1968784), (8, 1722686), (14, 984392), (16, 861343), (28, 492196), (56, 246098), (112, 123049)]