864632881

素因数分解:

$7^2\times {\mathrm{131}}^1\times {\mathrm{134699}}^1$

素因数の和:134844

約数の個数: 12

約数和(自身を含む): 1013482800

約数和(自身を除く): 148849919

約数列:

[1, 7, 49, 131, 917, 6419, 134699, 942893, 6600251, 17645569, 123518983, 864632881]

約数ペア:

[(1, 864632881), (7, 123518983), (49, 17645569), (131, 6600251), (917, 942893), (6419, 134699)]