56640974

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{128147}}^1$

素因数の和:128179

約数の個数: 16

約数和(自身を含む): 96879888

約数和(自身を除く): 40238914

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 128147, 256294, 1665911, 2178499, 3331822, 4356998, 28320487, 56640974]

約数ペア:

[(1, 56640974), (2, 28320487), (13, 4356998), (17, 3331822), (26, 2178499), (34, 1665911), (221, 256294), (442, 128147)]