28671115

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{193}}^1$

素因数の和:319

約数の個数: 32

約数和(自身を含む): 39278016

約数和(自身を除く): 10606901

約数列:

[1, 5, 11, 37, 55, 73, 185, 193, 365, 407, 803, 965, 2035, 2123, 2701, 4015, 7141, 10615, 13505, 14089, 29711, 35705, 70445, 78551, 148555, 154979, 392755, 521293, 774895, 2606465, 5734223, 28671115]

約数ペア:

[(1, 28671115), (5, 5734223), (11, 2606465), (37, 774895), (55, 521293), (73, 392755), (185, 154979), (193, 148555), (365, 78551), (407, 70445), (803, 35705), (965, 29711), (2035, 14089), (2123, 13505), (2701, 10615), (4015, 7141)]