720904772

素因数分解:

$2^2\times 7^1\times {\mathrm{2957}}^1\times {\mathrm{8707}}^1$

素因数の和:11675

約数の個数: 24

約数和(自身を含む): 1442462784

約数和(自身を除く): 721558012

約数列:

[1, 2, 4, 7, 14, 28, 2957, 5914, 8707, 11828, 17414, 20699, 34828, 41398, 60949, 82796, 121898, 243796, 25746599, 51493198, 102986396, 180226193, 360452386, 720904772]

約数ペア:

[(1, 720904772), (2, 360452386), (4, 180226193), (7, 102986396), (14, 51493198), (28, 25746599), (2957, 243796), (5914, 121898), (8707, 82796), (11828, 60949), (17414, 41398), (20699, 34828)]