28381878

素因数分解:

$2^1\times 3^2\times 7^3\times {\mathrm{4597}}^1$

素因数の和:4626

約数の個数: 48

約数和(自身を含む): 71728800

約数和(自身を除く): 43346922

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 343, 441, 686, 882, 1029, 2058, 3087, 4597, 6174, 9194, 13791, 27582, 32179, 41373, 64358, 82746, 96537, 193074, 225253, 289611, 450506, 579222, 675759, 1351518, 1576771, 2027277, 3153542, 4054554, 4730313, 9460626, 14190939, 28381878]

約数ペア:

[(1, 28381878), (2, 14190939), (3, 9460626), (6, 4730313), (7, 4054554), (9, 3153542), (14, 2027277), (18, 1576771), (21, 1351518), (42, 675759), (49, 579222), (63, 450506), (98, 289611), (126, 225253), (147, 193074), (294, 96537), (343, 82746), (441, 64358), (686, 41373), (882, 32179), (1029, 27582), (2058, 13791), (3087, 9194), (4597, 6174)]