31397488

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{431}}^1$

素因数の和:625

約数の個数: 40

約数和(自身を含む): 63478080

約数和(自身を除く): 32080592

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 157, 232, 314, 431, 464, 628, 862, 1256, 1724, 2512, 3448, 4553, 6896, 9106, 12499, 18212, 24998, 36424, 49996, 67667, 72848, 99992, 135334, 199984, 270668, 541336, 1082672, 1962343, 3924686, 7849372, 15698744, 31397488]

約数ペア:

[(1, 31397488), (2, 15698744), (4, 7849372), (8, 3924686), (16, 1962343), (29, 1082672), (58, 541336), (116, 270668), (157, 199984), (232, 135334), (314, 99992), (431, 72848), (464, 67667), (628, 49996), (862, 36424), (1256, 24998), (1724, 18212), (2512, 12499), (3448, 9106), (4553, 6896)]