7221770416

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2080003}}^1$

素因数の和:2080049

約数の個数: 40

約数和(自身を含む): 16506911744

約数和(自身を除く): 9285141328

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 2080003, 4160006, 8320012, 14560021, 16640024, 29120042, 33280048, 58240084, 64480093, 116480168, 128960186, 232960336, 257920372, 451360651, 515840744, 902721302, 1031681488, 1805442604, 3610885208, 7221770416]

約数ペア:

[(1, 7221770416), (2, 3610885208), (4, 1805442604), (7, 1031681488), (8, 902721302), (14, 515840744), (16, 451360651), (28, 257920372), (31, 232960336), (56, 128960186), (62, 116480168), (112, 64480093), (124, 58240084), (217, 33280048), (248, 29120042), (434, 16640024), (496, 14560021), (868, 8320012), (1736, 4160006), (3472, 2080003)]