28089468

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{797}}^1$

素因数の和:907

約数の個数: 72

約数和(自身を含む): 78427440

約数和(自身を除く): 50337972

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 89, 99, 132, 178, 198, 267, 356, 396, 534, 797, 801, 979, 1068, 1594, 1602, 1958, 2391, 2937, 3188, 3204, 3916, 4782, 5874, 7173, 8767, 8811, 9564, 11748, 14346, 17534, 17622, 26301, 28692, 35068, 35244, 52602, 70933, 78903, 105204, 141866, 157806, 212799, 283732, 315612, 425598, 638397, 780263, 851196, 1276794, 1560526, 2340789, 2553588, 3121052, 4681578, 7022367, 9363156, 14044734, 28089468]

約数ペア:

[(1, 28089468), (2, 14044734), (3, 9363156), (4, 7022367), (6, 4681578), (9, 3121052), (11, 2553588), (12, 2340789), (18, 1560526), (22, 1276794), (33, 851196), (36, 780263), (44, 638397), (66, 425598), (89, 315612), (99, 283732), (132, 212799), (178, 157806), (198, 141866), (267, 105204), (356, 78903), (396, 70933), (534, 52602), (797, 35244), (801, 35068), (979, 28692), (1068, 26301), (1594, 17622), (1602, 17534), (1958, 14346), (2391, 11748), (2937, 9564), (3188, 8811), (3204, 8767), (3916, 7173), (4782, 5874)]