161899864

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{78137}}^1$

素因数の和:78187

約数の個数: 32

約数和(自身を含む): 356309280

約数和(自身を除く): 194409416

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 259, 296, 518, 1036, 2072, 78137, 156274, 312548, 546959, 625096, 1093918, 2187836, 2891069, 4375672, 5782138, 11564276, 20237483, 23128552, 40474966, 80949932, 161899864]

約数ペア:

[(1, 161899864), (2, 80949932), (4, 40474966), (7, 23128552), (8, 20237483), (14, 11564276), (28, 5782138), (37, 4375672), (56, 2891069), (74, 2187836), (148, 1093918), (259, 625096), (296, 546959), (518, 312548), (1036, 156274), (2072, 78137)]