28940968

素因数分解:

$2^3\times 7^3\times {\mathrm{53}}^1\times {\mathrm{199}}^1$

素因数の和:279

約数の個数: 64

約数和(自身を含む): 64800000

約数和(自身を除く): 35859032

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 53, 56, 98, 106, 196, 199, 212, 343, 371, 392, 398, 424, 686, 742, 796, 1372, 1393, 1484, 1592, 2597, 2744, 2786, 2968, 5194, 5572, 9751, 10388, 10547, 11144, 18179, 19502, 20776, 21094, 36358, 39004, 42188, 68257, 72716, 73829, 78008, 84376, 136514, 145432, 147658, 273028, 295316, 516803, 546056, 590632, 1033606, 2067212, 3617621, 4134424, 7235242, 14470484, 28940968]

約数ペア:

[(1, 28940968), (2, 14470484), (4, 7235242), (7, 4134424), (8, 3617621), (14, 2067212), (28, 1033606), (49, 590632), (53, 546056), (56, 516803), (98, 295316), (106, 273028), (196, 147658), (199, 145432), (212, 136514), (343, 84376), (371, 78008), (392, 73829), (398, 72716), (424, 68257), (686, 42188), (742, 39004), (796, 36358), (1372, 21094), (1393, 20776), (1484, 19502), (1592, 18179), (2597, 11144), (2744, 10547), (2786, 10388), (2968, 9751), (5194, 5572)]