388287728

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{443}}^1\times {\mathrm{1889}}^1$

素因数の和:2369

約数の個数: 40

約数和(自身を含む): 780418800

約数和(自身を除く): 392131072

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 443, 464, 886, 1772, 1889, 3544, 3778, 7088, 7556, 12847, 15112, 25694, 30224, 51388, 54781, 102776, 109562, 205552, 219124, 438248, 836827, 876496, 1673654, 3347308, 6694616, 13389232, 24267983, 48535966, 97071932, 194143864, 388287728]

約数ペア:

[(1, 388287728), (2, 194143864), (4, 97071932), (8, 48535966), (16, 24267983), (29, 13389232), (58, 6694616), (116, 3347308), (232, 1673654), (443, 876496), (464, 836827), (886, 438248), (1772, 219124), (1889, 205552), (3544, 109562), (3778, 102776), (7088, 54781), (7556, 51388), (12847, 30224), (15112, 25694)]