208784704

素因数分解:

$2^6\times {\mathrm{109}}^1\times {\mathrm{173}}^2$

素因数の和:467

約数の個数: 42

約数和(自身を含む): 420538910

約数和(自身を除く): 211754206

約数列:

[1, 2, 4, 8, 16, 32, 64, 109, 173, 218, 346, 436, 692, 872, 1384, 1744, 2768, 3488, 5536, 6976, 11072, 18857, 29929, 37714, 59858, 75428, 119716, 150856, 239432, 301712, 478864, 603424, 957728, 1206848, 1915456, 3262261, 6524522, 13049044, 26098088, 52196176, 104392352, 208784704]

約数ペア:

[(1, 208784704), (2, 104392352), (4, 52196176), (8, 26098088), (16, 13049044), (32, 6524522), (64, 3262261), (109, 1915456), (173, 1206848), (218, 957728), (346, 603424), (436, 478864), (692, 301712), (872, 239432), (1384, 150856), (1744, 119716), (2768, 75428), (3488, 59858), (5536, 37714), (6976, 29929), (11072, 18857)]