520128091

素因数分解:

$7^2\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{1301}}^1$

素因数の和:1555

約数の個数: 24

約数和(自身を含む): 623397600

約数和(自身を除く): 103269509

約数列:

[1, 7, 41, 49, 199, 287, 1301, 1393, 2009, 8159, 9107, 9751, 53341, 57113, 63749, 258899, 373387, 399791, 1812293, 2613709, 10614859, 12686051, 74304013, 520128091]

約数ペア:

[(1, 520128091), (7, 74304013), (41, 12686051), (49, 10614859), (199, 2613709), (287, 1812293), (1301, 399791), (1393, 373387), (2009, 258899), (8159, 63749), (9107, 57113), (9751, 53341)]