647527664

素因数分解:

$2^4\times 7^1\times {\mathrm{67}}^1\times {\mathrm{86291}}^1$

素因数の和:86373

約数の個数: 40

約数和(自身を含む): 1455228288

約数和(自身を除く): 807700624

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 67, 112, 134, 268, 469, 536, 938, 1072, 1876, 3752, 7504, 86291, 172582, 345164, 604037, 690328, 1208074, 1380656, 2416148, 4832296, 5781497, 9664592, 11562994, 23125988, 40470479, 46251976, 80940958, 92503952, 161881916, 323763832, 647527664]

約数ペア:

[(1, 647527664), (2, 323763832), (4, 161881916), (7, 92503952), (8, 80940958), (14, 46251976), (16, 40470479), (28, 23125988), (56, 11562994), (67, 9664592), (112, 5781497), (134, 4832296), (268, 2416148), (469, 1380656), (536, 1208074), (938, 690328), (1072, 604037), (1876, 345164), (3752, 172582), (7504, 86291)]