81676655

素因数分解:

$5^1\times {\mathrm{151}}^1\times {\mathrm{251}}^1\times {\mathrm{431}}^1$

素因数の和:838

約数の個数: 16

約数和(自身を含む): 99283968

約数和(自身を除く): 17607313

約数列:

[1, 5, 151, 251, 431, 755, 1255, 2155, 37901, 65081, 108181, 189505, 325405, 540905, 16335331, 81676655]

約数ペア:

[(1, 81676655), (5, 16335331), (151, 540905), (251, 325405), (431, 189505), (755, 108181), (1255, 65081), (2155, 37901)]