80641757

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{19559}}^1$

素因数の和:19616

約数の個数: 16

約数和(自身を含む): 100147200

約数和(自身を除く): 19505443

約数列:

[1, 7, 19, 31, 133, 217, 589, 4123, 19559, 136913, 371621, 606329, 2601347, 4244303, 11520251, 80641757]

約数ペア:

[(1, 80641757), (7, 11520251), (19, 4244303), (31, 2601347), (133, 606329), (217, 371621), (589, 136913), (4123, 19559)]