61489988

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{70841}}^1$

素因数の和:70883

約数の個数: 24

約数和(自身を含む): 126948864

約数和(自身を除く): 65458876

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 70841, 141682, 283364, 495887, 991774, 1983548, 2196071, 4392142, 8784284, 15372497, 30744994, 61489988]

約数ペア:

[(1, 61489988), (2, 30744994), (4, 15372497), (7, 8784284), (14, 4392142), (28, 2196071), (31, 1983548), (62, 991774), (124, 495887), (217, 283364), (434, 141682), (868, 70841)]