221235712

素因数分解:

$2^9\times {\mathrm{23}}^1\times {\mathrm{18787}}^1$

素因数の和:18828

約数の個数: 40

約数和(自身を含む): 461282976

約数和(自身を除く): 240047264

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 256, 368, 512, 736, 1472, 2944, 5888, 11776, 18787, 37574, 75148, 150296, 300592, 432101, 601184, 864202, 1202368, 1728404, 2404736, 3456808, 4809472, 6913616, 9618944, 13827232, 27654464, 55308928, 110617856, 221235712]

約数ペア:

[(1, 221235712), (2, 110617856), (4, 55308928), (8, 27654464), (16, 13827232), (23, 9618944), (32, 6913616), (46, 4809472), (64, 3456808), (92, 2404736), (128, 1728404), (184, 1202368), (256, 864202), (368, 601184), (512, 432101), (736, 300592), (1472, 150296), (2944, 75148), (5888, 37574), (11776, 18787)]