289704814

素因数分解:

$2^1\times 7^1\times {\mathrm{1031}}^1\times {\mathrm{20071}}^1$

素因数の和:21111

約数の個数: 16

約数和(自身を含む): 497143296

約数和(自身を除く): 207438482

約数列:

[1, 2, 7, 14, 1031, 2062, 7217, 14434, 20071, 40142, 140497, 280994, 20693201, 41386402, 144852407, 289704814]

約数ペア:

[(1, 289704814), (2, 144852407), (7, 41386402), (14, 20693201), (1031, 280994), (2062, 140497), (7217, 40142), (14434, 20071)]