56780339

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{1559}}^1$

素因数の和:1631

約数の個数: 24

約数和(自身を含む): 73032960

約数和(自身を除く): 16252621

約数列:

[1, 7, 11, 43, 77, 121, 301, 473, 847, 1559, 3311, 5203, 10913, 17149, 36421, 67037, 120043, 188639, 469259, 737407, 1320473, 5161849, 8111477, 56780339]

約数ペア:

[(1, 56780339), (7, 8111477), (11, 5161849), (43, 1320473), (77, 737407), (121, 469259), (301, 188639), (473, 120043), (847, 67037), (1559, 36421), (3311, 17149), (5203, 10913)]