28093878

素因数分解:

$2^1\times 3^4\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:203

約数の個数: 80

約数和(自身を含む): 66762960

約数和(自身を除く): 38669082

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 43, 54, 74, 81, 86, 109, 111, 129, 162, 218, 222, 258, 327, 333, 387, 654, 666, 774, 981, 999, 1161, 1591, 1962, 1998, 2322, 2943, 2997, 3182, 3483, 4033, 4687, 4773, 5886, 5994, 6966, 8066, 8829, 9374, 9546, 12099, 14061, 14319, 17658, 24198, 28122, 28638, 36297, 42183, 42957, 72594, 84366, 85914, 108891, 126549, 128871, 173419, 217782, 253098, 257742, 326673, 346838, 379647, 520257, 653346, 759294, 1040514, 1560771, 3121542, 4682313, 9364626, 14046939, 28093878]

約数ペア:

[(1, 28093878), (2, 14046939), (3, 9364626), (6, 4682313), (9, 3121542), (18, 1560771), (27, 1040514), (37, 759294), (43, 653346), (54, 520257), (74, 379647), (81, 346838), (86, 326673), (109, 257742), (111, 253098), (129, 217782), (162, 173419), (218, 128871), (222, 126549), (258, 108891), (327, 85914), (333, 84366), (387, 72594), (654, 42957), (666, 42183), (774, 36297), (981, 28638), (999, 28122), (1161, 24198), (1591, 17658), (1962, 14319), (1998, 14061), (2322, 12099), (2943, 9546), (2997, 9374), (3182, 8829), (3483, 8066), (4033, 6966), (4687, 5994), (4773, 5886)]