1688988

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{20107}}^1$

素因数の和:20121

約数の個数: 24

約数和(自身を含む): 4504192

約数和(自身を除く): 2815204

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 20107, 40214, 60321, 80428, 120642, 140749, 241284, 281498, 422247, 562996, 844494, 1688988]

約数ペア:

[(1, 1688988), (2, 844494), (3, 562996), (4, 422247), (6, 281498), (7, 241284), (12, 140749), (14, 120642), (21, 80428), (28, 60321), (42, 40214), (84, 20107)]