28840138

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{173}}^1$

素因数の和:342

約数の個数: 32

約数和(自身を含む): 47355840

約数和(自身を除く): 18515702

約数列:

[1, 2, 19, 38, 41, 82, 107, 173, 214, 346, 779, 1558, 2033, 3287, 4066, 4387, 6574, 7093, 8774, 14186, 18511, 37022, 83353, 134767, 166706, 269534, 351709, 703418, 758951, 1517902, 14420069, 28840138]

約数ペア:

[(1, 28840138), (2, 14420069), (19, 1517902), (38, 758951), (41, 703418), (82, 351709), (107, 269534), (173, 166706), (214, 134767), (346, 83353), (779, 37022), (1558, 18511), (2033, 14186), (3287, 8774), (4066, 7093), (4387, 6574)]