428538688

素因数分解:

$2^6\times {\mathrm{43}}^1\times {\mathrm{155719}}^1$

素因数の和:155774

約数の個数: 28

約数和(自身を含む): 870163360

約数和(自身を除く): 441624672

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 172, 344, 688, 1376, 2752, 155719, 311438, 622876, 1245752, 2491504, 4983008, 6695917, 9966016, 13391834, 26783668, 53567336, 107134672, 214269344, 428538688]

約数ペア:

[(1, 428538688), (2, 214269344), (4, 107134672), (8, 53567336), (16, 26783668), (32, 13391834), (43, 9966016), (64, 6695917), (86, 4983008), (172, 2491504), (344, 1245752), (688, 622876), (1376, 311438), (2752, 155719)]