81553336

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{2239}}^1$

素因数の和:2431

約数の個数: 32

約数和(自身を含む): 159264000

約数和(自身を除く): 77710664

約数列:

[1, 2, 4, 8, 29, 58, 116, 157, 232, 314, 628, 1256, 2239, 4478, 4553, 8956, 9106, 17912, 18212, 36424, 64931, 129862, 259724, 351523, 519448, 703046, 1406092, 2812184, 10194167, 20388334, 40776668, 81553336]

約数ペア:

[(1, 81553336), (2, 40776668), (4, 20388334), (8, 10194167), (29, 2812184), (58, 1406092), (116, 703046), (157, 519448), (232, 351523), (314, 259724), (628, 129862), (1256, 64931), (2239, 36424), (4478, 18212), (4553, 17912), (8956, 9106)]