257481756

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{1021753}}^1$

素因数の和:1021770

約数の個数: 36

約数和(自身を含む): 743836912

約数和(自身を除く): 486355156

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 1021753, 2043506, 3065259, 4087012, 6130518, 7152271, 9195777, 12261036, 14304542, 18391554, 21456813, 28609084, 36783108, 42913626, 64370439, 85827252, 128740878, 257481756]

約数ペア:

[(1, 257481756), (2, 128740878), (3, 85827252), (4, 64370439), (6, 42913626), (7, 36783108), (9, 28609084), (12, 21456813), (14, 18391554), (18, 14304542), (21, 12261036), (28, 9195777), (36, 7152271), (42, 6130518), (63, 4087012), (84, 3065259), (126, 2043506), (252, 1021753)]