388636934

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{172421}}^1$

素因数の和:172460

約数の個数: 24

約数和(自身を含む): 707619888

約数和(自身を除く): 318982954

約数列:

[1, 2, 7, 14, 23, 46, 49, 98, 161, 322, 1127, 2254, 172421, 344842, 1206947, 2413894, 3965683, 7931366, 8448629, 16897258, 27759781, 55519562, 194318467, 388636934]

約数ペア:

[(1, 388636934), (2, 194318467), (7, 55519562), (14, 27759781), (23, 16897258), (46, 8448629), (49, 7931366), (98, 3965683), (161, 2413894), (322, 1206947), (1127, 344842), (2254, 172421)]