2189656

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{641}}^1$

素因数の和:715

約数の個数: 32

約数和(自身を含む): 4776480

約数和(自身を除く): 2586824

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 122, 244, 427, 488, 641, 854, 1282, 1708, 2564, 3416, 4487, 5128, 8974, 17948, 35896, 39101, 78202, 156404, 273707, 312808, 547414, 1094828, 2189656]

約数ペア:

[(1, 2189656), (2, 1094828), (4, 547414), (7, 312808), (8, 273707), (14, 156404), (28, 78202), (56, 39101), (61, 35896), (122, 17948), (244, 8974), (427, 5128), (488, 4487), (641, 3416), (854, 2564), (1282, 1708)]