31415640478

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{5947679}}^1$

素因数の和:5947839

約数の個数: 16

約数和(自身を含む): 49960512000

約数和(自身を除く): 18544871522

約数列:

[1, 2, 19, 38, 139, 278, 2641, 5282, 5947679, 11895358, 113005901, 226011802, 826727381, 1653454762, 15707820239, 31415640478]

約数ペア:

[(1, 31415640478), (2, 15707820239), (19, 1653454762), (38, 826727381), (139, 226011802), (278, 113005901), (2641, 11895358), (5282, 5947679)]