128293648

素因数分解:

$2^4\times 7^1\times {\mathrm{1145479}}^1$

素因数の和:1145494

約数の個数: 20

約数和(自身を含む): 284079040

約数和(自身を除く): 155785392

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1145479, 2290958, 4581916, 8018353, 9163832, 16036706, 18327664, 32073412, 64146824, 128293648]

約数ペア:

[(1, 128293648), (2, 64146824), (4, 32073412), (7, 18327664), (8, 16036706), (14, 9163832), (16, 8018353), (28, 4581916), (56, 2290958), (112, 1145479)]