67409881

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{1783}}^1$

素因数の和:2292

約数の個数: 16

約数和(自身を含む): 84261888

約数和(自身を除く): 16852007

約数列:

[1, 7, 11, 77, 491, 1783, 3437, 5401, 12481, 19613, 37807, 137291, 875453, 6128171, 9629983, 67409881]

約数ペア:

[(1, 67409881), (7, 9629983), (11, 6128171), (77, 875453), (491, 137291), (1783, 37807), (3437, 19613), (5401, 12481)]