28240938

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:200

約数の個数: 96

約数和(自身を含む): 71165952

約数和(自身を除く): 42925014

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 31, 33, 43, 62, 66, 86, 93, 99, 107, 129, 186, 198, 214, 258, 279, 321, 341, 387, 473, 558, 642, 682, 774, 946, 963, 1023, 1177, 1333, 1419, 1926, 2046, 2354, 2666, 2838, 3069, 3317, 3531, 3999, 4257, 4601, 6138, 6634, 7062, 7998, 8514, 9202, 9951, 10593, 11997, 13803, 14663, 19902, 21186, 23994, 27606, 29326, 29853, 36487, 41409, 43989, 50611, 59706, 72974, 82818, 87978, 101222, 109461, 131967, 142631, 151833, 218922, 263934, 285262, 303666, 328383, 427893, 455499, 656766, 855786, 910998, 1283679, 1568941, 2567358, 3137882, 4706823, 9413646, 14120469, 28240938]

約数ペア:

[(1, 28240938), (2, 14120469), (3, 9413646), (6, 4706823), (9, 3137882), (11, 2567358), (18, 1568941), (22, 1283679), (31, 910998), (33, 855786), (43, 656766), (62, 455499), (66, 427893), (86, 328383), (93, 303666), (99, 285262), (107, 263934), (129, 218922), (186, 151833), (198, 142631), (214, 131967), (258, 109461), (279, 101222), (321, 87978), (341, 82818), (387, 72974), (473, 59706), (558, 50611), (642, 43989), (682, 41409), (774, 36487), (946, 29853), (963, 29326), (1023, 27606), (1177, 23994), (1333, 21186), (1419, 19902), (1926, 14663), (2046, 13803), (2354, 11997), (2666, 10593), (2838, 9951), (3069, 9202), (3317, 8514), (3531, 7998), (3999, 7062), (4257, 6634), (4601, 6138)]