39907478

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{739}}^1$

素因数の和:852

約数の個数: 32

約数和(自身を含む): 67630080

約数和(自身を除く): 27722602

約数列:

[1, 2, 13, 26, 31, 62, 67, 134, 403, 739, 806, 871, 1478, 1742, 2077, 4154, 9607, 19214, 22909, 27001, 45818, 49513, 54002, 99026, 297817, 595634, 643669, 1287338, 1534903, 3069806, 19953739, 39907478]

約数ペア:

[(1, 39907478), (2, 19953739), (13, 3069806), (26, 1534903), (31, 1287338), (62, 643669), (67, 595634), (134, 297817), (403, 99026), (739, 54002), (806, 49513), (871, 45818), (1478, 27001), (1742, 22909), (2077, 19214), (4154, 9607)]