256759041

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{433}}^1$

素因数の和:622

約数の個数: 64

約数和(自身を含む): 455970816

約数和(自身を除く): 199211775

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 77, 119, 151, 187, 231, 357, 433, 453, 561, 1057, 1299, 1309, 1661, 2567, 3031, 3171, 3927, 4763, 4983, 7361, 7701, 9093, 11627, 14289, 17969, 22083, 28237, 33341, 34881, 51527, 53907, 65383, 80971, 84711, 100023, 154581, 196149, 197659, 242913, 457681, 566797, 592977, 719213, 1111511, 1373043, 1700391, 2157639, 3334533, 5034491, 7780577, 12226621, 15103473, 23341731, 36679863, 85586347, 256759041]

約数ペア:

[(1, 256759041), (3, 85586347), (7, 36679863), (11, 23341731), (17, 15103473), (21, 12226621), (33, 7780577), (51, 5034491), (77, 3334533), (119, 2157639), (151, 1700391), (187, 1373043), (231, 1111511), (357, 719213), (433, 592977), (453, 566797), (561, 457681), (1057, 242913), (1299, 197659), (1309, 196149), (1661, 154581), (2567, 100023), (3031, 84711), (3171, 80971), (3927, 65383), (4763, 53907), (4983, 51527), (7361, 34881), (7701, 33341), (9093, 28237), (11627, 22083), (14289, 17969)]