28538928

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{419}}^1$

素因数の和:487

約数の個数: 120

約数和(自身を含む): 89369280

約数和(自身を除く): 60830352

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 33, 36, 43, 44, 48, 66, 72, 86, 88, 99, 129, 132, 144, 172, 176, 198, 258, 264, 344, 387, 396, 419, 473, 516, 528, 688, 774, 792, 838, 946, 1032, 1257, 1419, 1548, 1584, 1676, 1892, 2064, 2514, 2838, 3096, 3352, 3771, 3784, 4257, 4609, 5028, 5676, 6192, 6704, 7542, 7568, 8514, 9218, 10056, 11352, 13827, 15084, 17028, 18017, 18436, 20112, 22704, 27654, 30168, 34056, 36034, 36872, 41481, 54051, 55308, 60336, 68112, 72068, 73744, 82962, 108102, 110616, 144136, 162153, 165924, 198187, 216204, 221232, 288272, 324306, 331848, 396374, 432408, 594561, 648612, 663696, 792748, 864816, 1189122, 1297224, 1585496, 1783683, 2378244, 2594448, 3170992, 3567366, 4756488, 7134732, 9512976, 14269464, 28538928]

約数ペア:

[(1, 28538928), (2, 14269464), (3, 9512976), (4, 7134732), (6, 4756488), (8, 3567366), (9, 3170992), (11, 2594448), (12, 2378244), (16, 1783683), (18, 1585496), (22, 1297224), (24, 1189122), (33, 864816), (36, 792748), (43, 663696), (44, 648612), (48, 594561), (66, 432408), (72, 396374), (86, 331848), (88, 324306), (99, 288272), (129, 221232), (132, 216204), (144, 198187), (172, 165924), (176, 162153), (198, 144136), (258, 110616), (264, 108102), (344, 82962), (387, 73744), (396, 72068), (419, 68112), (473, 60336), (516, 55308), (528, 54051), (688, 41481), (774, 36872), (792, 36034), (838, 34056), (946, 30168), (1032, 27654), (1257, 22704), (1419, 20112), (1548, 18436), (1584, 18017), (1676, 17028), (1892, 15084), (2064, 13827), (2514, 11352), (2838, 10056), (3096, 9218), (3352, 8514), (3771, 7568), (3784, 7542), (4257, 6704), (4609, 6192), (5028, 5676)]