2788345

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{599}}^1$

素因数の和:637

約数の個数: 24

約数和(自身を含む): 4104000

約数和(自身を除く): 1315655

約数列:

[1, 5, 7, 19, 35, 49, 95, 133, 245, 599, 665, 931, 2995, 4193, 4655, 11381, 20965, 29351, 56905, 79667, 146755, 398335, 557669, 2788345]

約数ペア:

[(1, 2788345), (5, 557669), (7, 398335), (19, 146755), (35, 79667), (49, 56905), (95, 29351), (133, 20965), (245, 11381), (599, 4655), (665, 4193), (931, 2995)]