31720073

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{839}}^1$

素因数の和:1348

約数の個数: 16

約数和(自身を含む): 39674880

約数和(自身を除く): 7954807

約数列:

[1, 7, 11, 77, 491, 839, 3437, 5401, 5873, 9229, 37807, 64603, 411949, 2883643, 4531439, 31720073]

約数ペア:

[(1, 31720073), (7, 4531439), (11, 2883643), (77, 411949), (491, 64603), (839, 37807), (3437, 9229), (5401, 5873)]