66940811

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{347}}^1$

素因数の和:519

約数の個数: 24

約数和(自身を含む): 81248256

約数和(自身を除く): 14307445

約数列:

[1, 7, 31, 49, 127, 217, 347, 889, 1519, 2429, 3937, 6223, 10757, 17003, 27559, 44069, 75299, 192913, 308483, 527093, 1366139, 2159381, 9562973, 66940811]

約数ペア:

[(1, 66940811), (7, 9562973), (31, 2159381), (49, 1366139), (127, 527093), (217, 308483), (347, 192913), (889, 75299), (1519, 44069), (2429, 27559), (3937, 17003), (6223, 10757)]