1287338

素因数分解:

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

素因数の和:821

約数の個数: 16

約数和(自身を含む): 2113440

約数和(自身を除く): 826102

約数列:

[1, 2, 13, 26, 67, 134, 739, 871, 1478, 1742, 9607, 19214, 49513, 99026, 643669, 1287338]

約数ペア:

[(1, 1287338), (2, 643669), (13, 99026), (26, 49513), (67, 19214), (134, 9607), (739, 1742), (871, 1478)]