90121984

素因数分解:

$2^8\times {\mathrm{197}}^1\times {\mathrm{1787}}^1$

素因数の和:2000

約数の個数: 36

約数和(自身を含む): 180906264

約数和(自身を除く): 90784280

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 197, 256, 394, 788, 1576, 1787, 3152, 3574, 6304, 7148, 12608, 14296, 25216, 28592, 50432, 57184, 114368, 228736, 352039, 457472, 704078, 1408156, 2816312, 5632624, 11265248, 22530496, 45060992, 90121984]

約数ペア:

[(1, 90121984), (2, 45060992), (4, 22530496), (8, 11265248), (16, 5632624), (32, 2816312), (64, 1408156), (128, 704078), (197, 457472), (256, 352039), (394, 228736), (788, 114368), (1576, 57184), (1787, 50432), (3152, 28592), (3574, 25216), (6304, 14296), (7148, 12608)]