257499264

素因数分解:

$2^7\times 3^1\times {\mathrm{11}}^1\times {\mathrm{60961}}^1$

素因数の和:60989

約数の個数: 64

約数和(自身を含む): 746174880

約数和(自身を除く): 488675616

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 64, 66, 88, 96, 128, 132, 176, 192, 264, 352, 384, 528, 704, 1056, 1408, 2112, 4224, 60961, 121922, 182883, 243844, 365766, 487688, 670571, 731532, 975376, 1341142, 1463064, 1950752, 2011713, 2682284, 2926128, 3901504, 4023426, 5364568, 5852256, 7803008, 8046852, 10729136, 11704512, 16093704, 21458272, 23409024, 32187408, 42916544, 64374816, 85833088, 128749632, 257499264]

約数ペア:

[(1, 257499264), (2, 128749632), (3, 85833088), (4, 64374816), (6, 42916544), (8, 32187408), (11, 23409024), (12, 21458272), (16, 16093704), (22, 11704512), (24, 10729136), (32, 8046852), (33, 7803008), (44, 5852256), (48, 5364568), (64, 4023426), (66, 3901504), (88, 2926128), (96, 2682284), (128, 2011713), (132, 1950752), (176, 1463064), (192, 1341142), (264, 975376), (352, 731532), (384, 670571), (528, 487688), (704, 365766), (1056, 243844), (1408, 182883), (2112, 121922), (4224, 60961)]