1123456

素因数分解:

$2^7\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:212

約数の個数: 32

約数和(自身を含む): 2288880

約数和(自身を除く): 1165424

約数列:

[1, 2, 4, 8, 16, 32, 64, 67, 128, 131, 134, 262, 268, 524, 536, 1048, 1072, 2096, 2144, 4192, 4288, 8384, 8576, 8777, 16768, 17554, 35108, 70216, 140432, 280864, 561728, 1123456]

約数ペア:

[(1, 1123456), (2, 561728), (4, 280864), (8, 140432), (16, 70216), (32, 35108), (64, 17554), (67, 16768), (128, 8777), (131, 8576), (134, 8384), (262, 4288), (268, 4192), (524, 2144), (536, 2096), (1048, 1072)]