28872522

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{73}}^2$

素因数の和:204

約数の個数: 72

約数和(自身を含む): 74172384

約数和(自身を除く): 45299862

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 43, 63, 73, 86, 126, 129, 146, 219, 258, 301, 387, 438, 511, 602, 657, 774, 903, 1022, 1314, 1533, 1806, 2709, 3066, 3139, 4599, 5329, 5418, 6278, 9198, 9417, 10658, 15987, 18834, 21973, 28251, 31974, 37303, 43946, 47961, 56502, 65919, 74606, 95922, 111909, 131838, 197757, 223818, 229147, 335727, 395514, 458294, 671454, 687441, 1374882, 1604029, 2062323, 3208058, 4124646, 4812087, 9624174, 14436261, 28872522]

約数ペア:

[(1, 28872522), (2, 14436261), (3, 9624174), (6, 4812087), (7, 4124646), (9, 3208058), (14, 2062323), (18, 1604029), (21, 1374882), (42, 687441), (43, 671454), (63, 458294), (73, 395514), (86, 335727), (126, 229147), (129, 223818), (146, 197757), (219, 131838), (258, 111909), (301, 95922), (387, 74606), (438, 65919), (511, 56502), (602, 47961), (657, 43946), (774, 37303), (903, 31974), (1022, 28251), (1314, 21973), (1533, 18834), (1806, 15987), (2709, 10658), (3066, 9417), (3139, 9198), (4599, 6278), (5329, 5418)]