66993563

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{38747}}^1$

素因数の和:38786

約数の個数: 16

約数和(自身を含む): 86795520

約数和(自身を除く): 19801957

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 38747, 271229, 503711, 736193, 3525977, 5153351, 9570509, 66993563]

約数ペア:

[(1, 66993563), (7, 9570509), (13, 5153351), (19, 3525977), (91, 736193), (133, 503711), (247, 271229), (1729, 38747)]