81305974

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{311}}^1\times {\mathrm{1951}}^1$

素因数の和:2331

約数の個数: 16

約数和(自身を含む): 124240896

約数和(自身を除く): 42934922

約数列:

[1, 2, 67, 134, 311, 622, 1951, 3902, 20837, 41674, 130717, 261434, 606761, 1213522, 40652987, 81305974]

約数ペア:

[(1, 81305974), (2, 40652987), (67, 1213522), (134, 606761), (311, 261434), (622, 130717), (1951, 41674), (3902, 20837)]