66995957

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{2557}}^1$

素因数の和:2780

約数の個数: 16

約数和(自身を含む): 81037440

約数和(自身を除く): 14041483

約数列:

[1, 7, 19, 133, 197, 1379, 2557, 3743, 17899, 26201, 48583, 340081, 503729, 3526103, 9570851, 66995957]

約数ペア:

[(1, 66995957), (7, 9570851), (19, 3526103), (133, 503729), (197, 340081), (1379, 48583), (2557, 26201), (3743, 17899)]