397899796

素因数分解:

$2^2\times 7^2\times {\mathrm{2030101}}^1$

素因数の和:2030119

約数の個数: 18

約数和(自身を含む): 810010698

約数和(自身を除く): 412110902

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 2030101, 4060202, 8120404, 14210707, 28421414, 56842828, 99474949, 198949898, 397899796]

約数ペア:

[(1, 397899796), (2, 198949898), (4, 99474949), (7, 56842828), (14, 28421414), (28, 14210707), (49, 8120404), (98, 4060202), (196, 2030101)]