397899010

素因数分解:

$2^1\times 5^1\times {\mathrm{39789901}}^1$

素因数の和:39789908

約数の個数: 8

約数和(自身を含む): 716218236

約数和(自身を除く): 318319226

約数列:

[1, 2, 5, 10, 39789901, 79579802, 198949505, 397899010]

約数ペア:

[(1, 397899010), (2, 198949505), (5, 79579802), (10, 39789901)]