1285890666

素因数分解:

$2^1\times 3^1\times {\mathrm{67}}^1\times {\mathrm{3198733}}^1$

素因数の和:3198805

約数の個数: 16

約数和(自身を含む): 2610166944

約数和(自身を除く): 1324276278

約数列:

[1, 2, 3, 6, 67, 134, 201, 402, 3198733, 6397466, 9596199, 19192398, 214315111, 428630222, 642945333, 1285890666]

約数ペア:

[(1, 1285890666), (2, 642945333), (3, 428630222), (6, 214315111), (67, 19192398), (134, 9596199), (201, 6397466), (402, 3198733)]