2131456

素因数分解:

$2^9\times {\mathrm{23}}^1\times {\mathrm{181}}^1$

素因数の和:222

約数の個数: 40

約数和(自身を含む): 4468464

約数和(自身を除く): 2337008

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 181, 184, 256, 362, 368, 512, 724, 736, 1448, 1472, 2896, 2944, 4163, 5792, 5888, 8326, 11584, 11776, 16652, 23168, 33304, 46336, 66608, 92672, 133216, 266432, 532864, 1065728, 2131456]

約数ペア:

[(1, 2131456), (2, 1065728), (4, 532864), (8, 266432), (16, 133216), (23, 92672), (32, 66608), (46, 46336), (64, 33304), (92, 23168), (128, 16652), (181, 11776), (184, 11584), (256, 8326), (362, 5888), (368, 5792), (512, 4163), (724, 2944), (736, 2896), (1448, 1472)]