431957968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{2161}}^1$

素因数の和:2244

約数の個数: 60

約数和(自身を含む): 931739844

約数和(自身を除く): 499781876

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 961, 1612, 1922, 2161, 3224, 3844, 4322, 6448, 7688, 8644, 12493, 15376, 17288, 24986, 28093, 34576, 49972, 56186, 66991, 99944, 112372, 133982, 199888, 224744, 267964, 449488, 535928, 870883, 1071856, 1741766, 2076721, 3483532, 4153442, 6967064, 8306884, 13934128, 16613768, 26997373, 33227536, 53994746, 107989492, 215978984, 431957968]

約数ペア:

[(1, 431957968), (2, 215978984), (4, 107989492), (8, 53994746), (13, 33227536), (16, 26997373), (26, 16613768), (31, 13934128), (52, 8306884), (62, 6967064), (104, 4153442), (124, 3483532), (208, 2076721), (248, 1741766), (403, 1071856), (496, 870883), (806, 535928), (961, 449488), (1612, 267964), (1922, 224744), (2161, 199888), (3224, 133982), (3844, 112372), (4322, 99944), (6448, 66991), (7688, 56186), (8644, 49972), (12493, 34576), (15376, 28093), (17288, 24986)]