138399394

素因数分解:

$2^1\times 7^1\times {\mathrm{2221}}^1\times {\mathrm{4451}}^1$

素因数の和:6681

約数の個数: 16

約数和(自身を含む): 237416256

約数和(自身を除く): 99016862

約数列:

[1, 2, 7, 14, 2221, 4442, 4451, 8902, 15547, 31094, 31157, 62314, 9885671, 19771342, 69199697, 138399394]

約数ペア:

[(1, 138399394), (2, 69199697), (7, 19771342), (14, 9885671), (2221, 62314), (4442, 31157), (4451, 31094), (8902, 15547)]