257742464

素因数分解:

$2^7\times 7^1\times {\mathrm{307}}^1\times {\mathrm{937}}^1$

素因数の和:1265

約数の個数: 64

約数和(自身を含む): 589364160

約数和(自身を除く): 331621696

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 307, 448, 614, 896, 937, 1228, 1874, 2149, 2456, 3748, 4298, 4912, 6559, 7496, 8596, 9824, 13118, 14992, 17192, 19648, 26236, 29984, 34384, 39296, 52472, 59968, 68768, 104944, 119936, 137536, 209888, 275072, 287659, 419776, 575318, 839552, 1150636, 2013613, 2301272, 4027226, 4602544, 8054452, 9205088, 16108904, 18410176, 32217808, 36820352, 64435616, 128871232, 257742464]

約数ペア:

[(1, 257742464), (2, 128871232), (4, 64435616), (7, 36820352), (8, 32217808), (14, 18410176), (16, 16108904), (28, 9205088), (32, 8054452), (56, 4602544), (64, 4027226), (112, 2301272), (128, 2013613), (224, 1150636), (307, 839552), (448, 575318), (614, 419776), (896, 287659), (937, 275072), (1228, 209888), (1874, 137536), (2149, 119936), (2456, 104944), (3748, 68768), (4298, 59968), (4912, 52472), (6559, 39296), (7496, 34384), (8596, 29984), (9824, 26236), (13118, 19648), (14992, 17192)]