644982

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{8269}}^1$

素因数の和:8287

約数の個数: 16

約数和(自身を含む): 1389360

約数和(自身を除く): 744378

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 8269, 16538, 24807, 49614, 107497, 214994, 322491, 644982]

約数ペア:

[(1, 644982), (2, 322491), (3, 214994), (6, 107497), (13, 49614), (26, 24807), (39, 16538), (78, 8269)]