87280172

素因数分解:

$2^2\times 7^2\times {\mathrm{445307}}^1$

素因数の和:445325

約数の個数: 18

約数和(自身を含む): 177677892

約数和(自身を除く): 90397720

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 445307, 890614, 1781228, 3117149, 6234298, 12468596, 21820043, 43640086, 87280172]

約数ペア:

[(1, 87280172), (2, 43640086), (4, 21820043), (7, 12468596), (14, 6234298), (28, 3117149), (49, 1781228), (98, 890614), (196, 445307)]