91431470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{2087}}^1$

素因数の和:2444

約数の個数: 32

約数和(自身を含む): 177847488

約数和(自身を除く): 86416018

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 337, 674, 1685, 2087, 3370, 4174, 4381, 8762, 10435, 20870, 21905, 27131, 43810, 54262, 135655, 271310, 703319, 1406638, 3516595, 7033190, 9143147, 18286294, 45715735, 91431470]

約数ペア:

[(1, 91431470), (2, 45715735), (5, 18286294), (10, 9143147), (13, 7033190), (26, 3516595), (65, 1406638), (130, 703319), (337, 271310), (674, 135655), (1685, 54262), (2087, 43810), (3370, 27131), (4174, 21905), (4381, 20870), (8762, 10435)]