71865703

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1$

素因数の和:332

約数の個数: 32

約数和(自身を含む): 91929600

約数和(自身を除く): 20063897

約数列:

[1, 7, 13, 49, 71, 91, 227, 343, 497, 637, 923, 1589, 2951, 3479, 4459, 6461, 11123, 16117, 20657, 24353, 45227, 77861, 112819, 144599, 209521, 316589, 789733, 1012193, 1466647, 5528131, 10266529, 71865703]

約数ペア:

[(1, 71865703), (7, 10266529), (13, 5528131), (49, 1466647), (71, 1012193), (91, 789733), (227, 316589), (343, 209521), (497, 144599), (637, 112819), (923, 77861), (1589, 45227), (2951, 24353), (3479, 20657), (4459, 16117), (6461, 11123)]