209084988

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{2489107}}^1$

素因数の和:2489121

約数の個数: 24

約数和(自身を含む): 557560192

約数和(自身を除く): 348475204

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 2489107, 4978214, 7467321, 9956428, 14934642, 17423749, 29869284, 34847498, 52271247, 69694996, 104542494, 209084988]

約数ペア:

[(1, 209084988), (2, 104542494), (3, 69694996), (4, 52271247), (6, 34847498), (7, 29869284), (12, 17423749), (14, 14934642), (21, 9956428), (28, 7467321), (42, 4978214), (84, 2489107)]