1288934864

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{371237}}^1$

素因数の和:371283

約数の個数: 40

約数和(自身を含む): 2946144768

約数和(自身を除く): 1657209904

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 371237, 742474, 1484948, 2598659, 2969896, 5197318, 5939792, 10394636, 11508347, 20789272, 23016694, 41578544, 46033388, 80558429, 92066776, 161116858, 184133552, 322233716, 644467432, 1288934864]

約数ペア:

[(1, 1288934864), (2, 644467432), (4, 322233716), (7, 184133552), (8, 161116858), (14, 92066776), (16, 80558429), (28, 46033388), (31, 41578544), (56, 23016694), (62, 20789272), (112, 11508347), (124, 10394636), (217, 5939792), (248, 5197318), (434, 2969896), (496, 2598659), (868, 1484948), (1736, 742474), (3472, 371237)]