66866723

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{947}}^1$

素因数の和:1103

約数の個数: 24

約数和(自身を含む): 85593024

約数和(自身を除く): 18726301

約数列:

[1, 7, 11, 49, 77, 131, 539, 917, 947, 1441, 6419, 6629, 10087, 10417, 46403, 70609, 72919, 124057, 510433, 868399, 1364627, 6078793, 9552389, 66866723]

約数ペア:

[(1, 66866723), (7, 9552389), (11, 6078793), (49, 1364627), (77, 868399), (131, 510433), (539, 124057), (917, 72919), (947, 70609), (1441, 46403), (6419, 10417), (6629, 10087)]