39968512

素因数分解:

$2^8\times {\mathrm{156127}}^1$

素因数の和:156143

約数の個数: 18

約数和(自身を含む): 79781408

約数和(自身を除く): 39812896

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 156127, 312254, 624508, 1249016, 2498032, 4996064, 9992128, 19984256, 39968512]

約数ペア:

[(1, 39968512), (2, 19984256), (4, 9992128), (8, 4996064), (16, 2498032), (32, 1249016), (64, 624508), (128, 312254), (256, 156127)]