55129228

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2521}}^1$

素因数の和:2614

約数の個数: 48

約数和(自身を含む): 122024448

約数和(自身を除く): 66895220

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 71, 77, 142, 154, 284, 308, 497, 781, 994, 1562, 1988, 2521, 3124, 5042, 5467, 10084, 10934, 17647, 21868, 27731, 35294, 55462, 70588, 110924, 178991, 194117, 357982, 388234, 715964, 776468, 1252937, 1968901, 2505874, 3937802, 5011748, 7875604, 13782307, 27564614, 55129228]

約数ペア:

[(1, 55129228), (2, 27564614), (4, 13782307), (7, 7875604), (11, 5011748), (14, 3937802), (22, 2505874), (28, 1968901), (44, 1252937), (71, 776468), (77, 715964), (142, 388234), (154, 357982), (284, 194117), (308, 178991), (497, 110924), (781, 70588), (994, 55462), (1562, 35294), (1988, 27731), (2521, 21868), (3124, 17647), (5042, 10934), (5467, 10084)]