257477724

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{340579}}^1$

素因数の和:340599

約数の個数: 48

約数和(自身を含む): 762899200

約数和(自身を除く): 505421476

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 340579, 681158, 1021737, 1362316, 2043474, 2384053, 3065211, 4086948, 4768106, 6130422, 7152159, 9195633, 9536212, 12260844, 14304318, 18391266, 21456477, 28608636, 36782532, 42912954, 64369431, 85825908, 128738862, 257477724]

約数ペア:

[(1, 257477724), (2, 128738862), (3, 85825908), (4, 64369431), (6, 42912954), (7, 36782532), (9, 28608636), (12, 21456477), (14, 18391266), (18, 14304318), (21, 12260844), (27, 9536212), (28, 9195633), (36, 7152159), (42, 6130422), (54, 4768106), (63, 4086948), (84, 3065211), (108, 2384053), (126, 2043474), (189, 1362316), (252, 1021737), (378, 681158), (756, 340579)]