3978286

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2887}}^1$

素因数の和:2955

約数の個数: 16

約数和(自身を含む): 6549984

約数和(自身を除く): 2571698

約数列:

[1, 2, 13, 26, 53, 106, 689, 1378, 2887, 5774, 37531, 75062, 153011, 306022, 1989143, 3978286]

約数ペア:

[(1, 3978286), (2, 1989143), (13, 306022), (26, 153011), (53, 75062), (106, 37531), (689, 5774), (1378, 2887)]