128634368

素因数分解:

$2^9\times {\mathrm{277}}^1\times {\mathrm{907}}^1$

素因数の和:1202

約数の個数: 40

約数和(自身を含む): 258229752

約数和(自身を除く): 129595384

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 277, 512, 554, 907, 1108, 1814, 2216, 3628, 4432, 7256, 8864, 14512, 17728, 29024, 35456, 58048, 70912, 116096, 141824, 232192, 251239, 464384, 502478, 1004956, 2009912, 4019824, 8039648, 16079296, 32158592, 64317184, 128634368]

約数ペア:

[(1, 128634368), (2, 64317184), (4, 32158592), (8, 16079296), (16, 8039648), (32, 4019824), (64, 2009912), (128, 1004956), (256, 502478), (277, 464384), (512, 251239), (554, 232192), (907, 141824), (1108, 116096), (1814, 70912), (2216, 58048), (3628, 35456), (4432, 29024), (7256, 17728), (8864, 14512)]