81944618

素因数分解:

$2^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1\times {\mathrm{439}}^1$

素因数の和:714

約数の個数: 32

約数和(自身を含む): 143616000

約数和(自身を除く): 61671382

約数列:

[1, 2, 7, 14, 67, 134, 199, 398, 439, 469, 878, 938, 1393, 2786, 3073, 6146, 13333, 26666, 29413, 58826, 87361, 93331, 174722, 186662, 205891, 411782, 611527, 1223054, 5853187, 11706374, 40972309, 81944618]

約数ペア:

[(1, 81944618), (2, 40972309), (7, 11706374), (14, 5853187), (67, 1223054), (134, 611527), (199, 411782), (398, 205891), (439, 186662), (469, 174722), (878, 93331), (938, 87361), (1393, 58826), (2786, 29413), (3073, 26666), (6146, 13333)]