86947364

素因数分解:

$2^2\times 7^2\times {\mathrm{443609}}^1$

素因数の和:443627

約数の個数: 18

約数和(自身を含む): 177000390

約数和(自身を除く): 90053026

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 443609, 887218, 1774436, 3105263, 6210526, 12421052, 21736841, 43473682, 86947364]

約数ペア:

[(1, 86947364), (2, 43473682), (4, 21736841), (7, 12421052), (14, 6210526), (28, 3105263), (49, 1774436), (98, 887218), (196, 443609)]