78895684

素因数分解:

$2^2\times 7^2\times {\mathrm{402529}}^1$

素因数の和:402547

約数の個数: 18

約数和(自身を含む): 160609470

約数和(自身を除く): 81713786

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 402529, 805058, 1610116, 2817703, 5635406, 11270812, 19723921, 39447842, 78895684]

約数ペア:

[(1, 78895684), (2, 39447842), (4, 19723921), (7, 11270812), (14, 5635406), (28, 2817703), (49, 1610116), (98, 805058), (196, 402529)]