327681505

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{379}}^1\times {\mathrm{479}}^1$

素因数の和:901

約数の個数: 24

約数和(自身を含む): 416966400

約数和(自身を除く): 89284895

約数列:

[1, 5, 19, 95, 361, 379, 479, 1805, 1895, 2395, 7201, 9101, 36005, 45505, 136819, 172919, 181541, 684095, 864595, 907705, 3449279, 17246395, 65536301, 327681505]

約数ペア:

[(1, 327681505), (5, 65536301), (19, 17246395), (95, 3449279), (361, 907705), (379, 864595), (479, 684095), (1805, 181541), (1895, 172919), (2395, 136819), (7201, 45505), (9101, 36005)]