1661782078

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{778717}}^1$

素因数の和:778827

約数の個数: 16

約数和(自身を含む): 2747317104

約数和(自身を除く): 1085535026

約数列:

[1, 2, 11, 22, 97, 194, 1067, 2134, 778717, 1557434, 8565887, 17131774, 75535549, 151071098, 830891039, 1661782078]

約数ペア:

[(1, 1661782078), (2, 830891039), (11, 151071098), (22, 75535549), (97, 17131774), (194, 8565887), (1067, 1557434), (2134, 778717)]