28786912

素因数分解:

$2^5\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1669}}^1$

素因数の和:1704

約数の個数: 72

約数和(自身を含む): 71963640

約数和(自身を除く): 43176728

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 49, 56, 77, 88, 98, 112, 154, 176, 196, 224, 308, 352, 392, 539, 616, 784, 1078, 1232, 1568, 1669, 2156, 2464, 3338, 4312, 6676, 8624, 11683, 13352, 17248, 18359, 23366, 26704, 36718, 46732, 53408, 73436, 81781, 93464, 128513, 146872, 163562, 186928, 257026, 293744, 327124, 373856, 514052, 587488, 654248, 899591, 1028104, 1308496, 1799182, 2056208, 2616992, 3598364, 4112416, 7196728, 14393456, 28786912]

約数ペア:

[(1, 28786912), (2, 14393456), (4, 7196728), (7, 4112416), (8, 3598364), (11, 2616992), (14, 2056208), (16, 1799182), (22, 1308496), (28, 1028104), (32, 899591), (44, 654248), (49, 587488), (56, 514052), (77, 373856), (88, 327124), (98, 293744), (112, 257026), (154, 186928), (176, 163562), (196, 146872), (224, 128513), (308, 93464), (352, 81781), (392, 73436), (539, 53408), (616, 46732), (784, 36718), (1078, 26704), (1232, 23366), (1568, 18359), (1669, 17248), (2156, 13352), (2464, 11683), (3338, 8624), (4312, 6676)]