2781974

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1597}}^1$

素因数の和:1679

約数の個数: 16

約数和(自身を含む): 4563888

約数和(自身を除く): 1781914

約数列:

[1, 2, 13, 26, 67, 134, 871, 1597, 1742, 3194, 20761, 41522, 106999, 213998, 1390987, 2781974]

約数ペア:

[(1, 2781974), (2, 1390987), (13, 213998), (26, 106999), (67, 41522), (134, 20761), (871, 3194), (1597, 1742)]