131497751

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{359}}^1$

素因数の和:515

約数の個数: 32

約数和(自身を含む): 169205760

約数和(自身を除く): 37708009

約数列:

[1, 7, 11, 67, 71, 77, 359, 469, 497, 737, 781, 2513, 3949, 4757, 5159, 5467, 24053, 25489, 27643, 33299, 52327, 168371, 178423, 264583, 280379, 366289, 1707763, 1852081, 1962653, 11954341, 18785393, 131497751]

約数ペア:

[(1, 131497751), (7, 18785393), (11, 11954341), (67, 1962653), (71, 1852081), (77, 1707763), (359, 366289), (469, 280379), (497, 264583), (737, 178423), (781, 168371), (2513, 52327), (3949, 33299), (4757, 27643), (5159, 25489), (5467, 24053)]