64869917

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^2$

素因数の和:237

約数の個数: 24

約数和(自身を含む): 78840576

約数和(自身を除く): 13970659

約数列:

[1, 7, 37, 47, 73, 259, 329, 511, 1739, 2701, 3431, 5329, 12173, 18907, 24017, 37303, 126947, 197173, 250463, 888629, 1380211, 1753241, 9267131, 64869917]

約数ペア:

[(1, 64869917), (7, 9267131), (37, 1753241), (47, 1380211), (73, 888629), (259, 250463), (329, 197173), (511, 126947), (1739, 37303), (2701, 24017), (3431, 18907), (5329, 12173)]