28487844

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1$

素因数の和:310

約数の個数: 144

約数和(自身を含む): 92252160

約数和(自身を除く): 63764316

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 43, 44, 63, 66, 77, 84, 86, 99, 126, 129, 132, 154, 172, 198, 231, 239, 252, 258, 301, 308, 387, 396, 462, 473, 478, 516, 602, 693, 717, 774, 903, 924, 946, 956, 1204, 1386, 1419, 1434, 1548, 1673, 1806, 1892, 2151, 2629, 2709, 2772, 2838, 2868, 3311, 3346, 3612, 4257, 4302, 5019, 5258, 5418, 5676, 6622, 6692, 7887, 8514, 8604, 9933, 10038, 10277, 10516, 10836, 13244, 15057, 15774, 17028, 18403, 19866, 20076, 20554, 23661, 29799, 30114, 30831, 31548, 36806, 39732, 41108, 47322, 55209, 59598, 60228, 61662, 71939, 73612, 92493, 94644, 110418, 113047, 119196, 123324, 143878, 165627, 184986, 215817, 220836, 226094, 287756, 331254, 339141, 369972, 431634, 452188, 647451, 662508, 678282, 791329, 863268, 1017423, 1294902, 1356564, 1582658, 2034846, 2373987, 2589804, 3165316, 4069692, 4747974, 7121961, 9495948, 14243922, 28487844]

約数ペア:

[(1, 28487844), (2, 14243922), (3, 9495948), (4, 7121961), (6, 4747974), (7, 4069692), (9, 3165316), (11, 2589804), (12, 2373987), (14, 2034846), (18, 1582658), (21, 1356564), (22, 1294902), (28, 1017423), (33, 863268), (36, 791329), (42, 678282), (43, 662508), (44, 647451), (63, 452188), (66, 431634), (77, 369972), (84, 339141), (86, 331254), (99, 287756), (126, 226094), (129, 220836), (132, 215817), (154, 184986), (172, 165627), (198, 143878), (231, 123324), (239, 119196), (252, 113047), (258, 110418), (301, 94644), (308, 92493), (387, 73612), (396, 71939), (462, 61662), (473, 60228), (478, 59598), (516, 55209), (602, 47322), (693, 41108), (717, 39732), (774, 36806), (903, 31548), (924, 30831), (946, 30114), (956, 29799), (1204, 23661), (1386, 20554), (1419, 20076), (1434, 19866), (1548, 18403), (1673, 17028), (1806, 15774), (1892, 15057), (2151, 13244), (2629, 10836), (2709, 10516), (2772, 10277), (2838, 10038), (2868, 9933), (3311, 8604), (3346, 8514), (3612, 7887), (4257, 6692), (4302, 6622), (5019, 5676), (5258, 5418)]