28490814

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3889}}^1$

素因数の和:3945

約数の個数: 48

約数和(自身を含む): 69179760

約数和(自身を除く): 40688946

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 37, 66, 74, 99, 111, 198, 222, 333, 407, 666, 814, 1221, 2442, 3663, 3889, 7326, 7778, 11667, 23334, 35001, 42779, 70002, 85558, 128337, 143893, 256674, 287786, 385011, 431679, 770022, 863358, 1295037, 1582823, 2590074, 3165646, 4748469, 9496938, 14245407, 28490814]

約数ペア:

[(1, 28490814), (2, 14245407), (3, 9496938), (6, 4748469), (9, 3165646), (11, 2590074), (18, 1582823), (22, 1295037), (33, 863358), (37, 770022), (66, 431679), (74, 385011), (99, 287786), (111, 256674), (198, 143893), (222, 128337), (333, 85558), (407, 70002), (666, 42779), (814, 35001), (1221, 23334), (2442, 11667), (3663, 7778), (3889, 7326)]