258839679

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:352

約数の個数: 64

約数和(自身を含む): 433382400

約数和(自身を除く): 174542721

約数列:

[1, 3, 7, 19, 21, 37, 57, 89, 111, 133, 197, 259, 267, 399, 591, 623, 703, 777, 1379, 1691, 1869, 2109, 3293, 3743, 4137, 4921, 5073, 7289, 9879, 11229, 11837, 14763, 17533, 21867, 23051, 26201, 35511, 51023, 52599, 62567, 69153, 78603, 122731, 138491, 153069, 187701, 333127, 368193, 415473, 437969, 648721, 969437, 999381, 1313907, 1946163, 2331889, 2908311, 4541047, 6995667, 12325699, 13623141, 36977097, 86279893, 258839679]

約数ペア:

[(1, 258839679), (3, 86279893), (7, 36977097), (19, 13623141), (21, 12325699), (37, 6995667), (57, 4541047), (89, 2908311), (111, 2331889), (133, 1946163), (197, 1313907), (259, 999381), (267, 969437), (399, 648721), (591, 437969), (623, 415473), (703, 368193), (777, 333127), (1379, 187701), (1691, 153069), (1869, 138491), (2109, 122731), (3293, 78603), (3743, 69153), (4137, 62567), (4921, 52599), (5073, 51023), (7289, 35511), (9879, 26201), (11229, 23051), (11837, 21867), (14763, 17533)]