648677406

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{8316377}}^1$

素因数の和:8316395

約数の個数: 16

約数和(自身を含む): 1397151504

約数和(自身を除く): 748474098

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 8316377, 16632754, 24949131, 49898262, 108112901, 216225802, 324338703, 648677406]

約数ペア:

[(1, 648677406), (2, 324338703), (3, 216225802), (6, 108112901), (13, 49898262), (26, 24949131), (39, 16632754), (78, 8316377)]