28287896

素因数分解:

$2^3\times 7^3\times {\mathrm{13}}^2\times {\mathrm{61}}^1$

素因数の和:114

約数の個数: 96

約数和(自身を含む): 68076000

約数和(自身を除く): 39788104

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 49, 52, 56, 61, 91, 98, 104, 122, 169, 182, 196, 244, 338, 343, 364, 392, 427, 488, 637, 676, 686, 728, 793, 854, 1183, 1274, 1352, 1372, 1586, 1708, 2366, 2548, 2744, 2989, 3172, 3416, 4459, 4732, 5096, 5551, 5978, 6344, 8281, 8918, 9464, 10309, 11102, 11956, 16562, 17836, 20618, 20923, 22204, 23912, 33124, 35672, 38857, 41236, 41846, 44408, 57967, 66248, 72163, 77714, 82472, 83692, 115934, 144326, 155428, 167384, 231868, 271999, 288652, 310856, 463736, 505141, 543998, 577304, 1010282, 1087996, 2020564, 2175992, 3535987, 4041128, 7071974, 14143948, 28287896]

約数ペア:

[(1, 28287896), (2, 14143948), (4, 7071974), (7, 4041128), (8, 3535987), (13, 2175992), (14, 2020564), (26, 1087996), (28, 1010282), (49, 577304), (52, 543998), (56, 505141), (61, 463736), (91, 310856), (98, 288652), (104, 271999), (122, 231868), (169, 167384), (182, 155428), (196, 144326), (244, 115934), (338, 83692), (343, 82472), (364, 77714), (392, 72163), (427, 66248), (488, 57967), (637, 44408), (676, 41846), (686, 41236), (728, 38857), (793, 35672), (854, 33124), (1183, 23912), (1274, 22204), (1352, 20923), (1372, 20618), (1586, 17836), (1708, 16562), (2366, 11956), (2548, 11102), (2744, 10309), (2989, 9464), (3172, 8918), (3416, 8281), (4459, 6344), (4732, 5978), (5096, 5551)]