287306887

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{10177}}^1$

素因数の和:10330

約数の個数: 16

約数和(自身を含む): 340352320

約数和(自身を除く): 53045433

約数列:

[1, 7, 37, 109, 259, 763, 4033, 10177, 28231, 71239, 376549, 1109293, 2635843, 7765051, 41043841, 287306887]

約数ペア:

[(1, 287306887), (7, 41043841), (37, 7765051), (109, 2635843), (259, 1109293), (763, 376549), (4033, 71239), (10177, 28231)]