28726236

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{241}}^1$

素因数の和:312

約数の個数: 144

約数和(自身を含む): 93020928

約数和(自身を除く): 64294692

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, 241, 252, 258, 301, 308, 387, 396, 462, 473, 482, 516, 602, 693, 723, 774, 903, 924, 946, 964, 1204, 1386, 1419, 1446, 1548, 1687, 1806, 1892, 2169, 2651, 2709, 2772, 2838, 2892, 3311, 3374, 3612, 4257, 4338, 5061, 5302, 5418, 5676, 6622, 6748, 7953, 8514, 8676, 9933, 10122, 10363, 10604, 10836, 13244, 15183, 15906, 17028, 18557, 19866, 20244, 20726, 23859, 29799, 30366, 31089, 31812, 37114, 39732, 41452, 47718, 55671, 59598, 60732, 62178, 72541, 74228, 93267, 95436, 111342, 113993, 119196, 124356, 145082, 167013, 186534, 217623, 222684, 227986, 290164, 334026, 341979, 373068, 435246, 455972, 652869, 668052, 683958, 797951, 870492, 1025937, 1305738, 1367916, 1595902, 2051874, 2393853, 2611476, 3191804, 4103748, 4787706, 7181559, 9575412, 14363118, 28726236]

約数ペア:

[(1, 28726236), (2, 14363118), (3, 9575412), (4, 7181559), (6, 4787706), (7, 4103748), (9, 3191804), (11, 2611476), (12, 2393853), (14, 2051874), (18, 1595902), (21, 1367916), (22, 1305738), (28, 1025937), (33, 870492), (36, 797951), (42, 683958), (43, 668052), (44, 652869), (63, 455972), (66, 435246), (77, 373068), (84, 341979), (86, 334026), (99, 290164), (126, 227986), (129, 222684), (132, 217623), (154, 186534), (172, 167013), (198, 145082), (231, 124356), (241, 119196), (252, 113993), (258, 111342), (301, 95436), (308, 93267), (387, 74228), (396, 72541), (462, 62178), (473, 60732), (482, 59598), (516, 55671), (602, 47718), (693, 41452), (723, 39732), (774, 37114), (903, 31812), (924, 31089), (946, 30366), (964, 29799), (1204, 23859), (1386, 20726), (1419, 20244), (1446, 19866), (1548, 18557), (1687, 17028), (1806, 15906), (1892, 15183), (2169, 13244), (2651, 10836), (2709, 10604), (2772, 10363), (2838, 10122), (2892, 9933), (3311, 8676), (3374, 8514), (3612, 7953), (4257, 6748), (4338, 6622), (5061, 5676), (5302, 5418)]