22178128

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2789}}^1$

素因数の和:2875

約数の個数: 40

約数和(自身を含む): 49818240

約数和(自身を除く): 27640112

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 112, 142, 284, 497, 568, 994, 1136, 1988, 2789, 3976, 5578, 7952, 11156, 19523, 22312, 39046, 44624, 78092, 156184, 198019, 312368, 396038, 792076, 1386133, 1584152, 2772266, 3168304, 5544532, 11089064, 22178128]

約数ペア:

[(1, 22178128), (2, 11089064), (4, 5544532), (7, 3168304), (8, 2772266), (14, 1584152), (16, 1386133), (28, 792076), (56, 396038), (71, 312368), (112, 198019), (142, 156184), (284, 78092), (497, 44624), (568, 39046), (994, 22312), (1136, 19523), (1988, 11156), (2789, 7952), (3976, 5578)]