121123456

素因数分解:

$2^7\times {\mathrm{127}}^1\times {\mathrm{7451}}^1$

素因数の和:7592

約数の個数: 32

約数和(自身を含む): 243233280

約数和(自身を除く): 122109824

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 128, 254, 508, 1016, 2032, 4064, 7451, 8128, 14902, 16256, 29804, 59608, 119216, 238432, 476864, 946277, 953728, 1892554, 3785108, 7570216, 15140432, 30280864, 60561728, 121123456]

約数ペア:

[(1, 121123456), (2, 60561728), (4, 30280864), (8, 15140432), (16, 7570216), (32, 3785108), (64, 1892554), (127, 953728), (128, 946277), (254, 476864), (508, 238432), (1016, 119216), (2032, 59608), (4064, 29804), (7451, 16256), (8128, 14902)]