28211834

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{509}}^1$

素因数の和:662

約数の個数: 32

約数和(自身を含む): 50232960

約数和(自身を除く): 22021126

約数列:

[1, 2, 7, 14, 37, 74, 107, 214, 259, 509, 518, 749, 1018, 1498, 3563, 3959, 7126, 7918, 18833, 27713, 37666, 54463, 55426, 108926, 131831, 263662, 381241, 762482, 2015131, 4030262, 14105917, 28211834]

約数ペア:

[(1, 28211834), (2, 14105917), (7, 4030262), (14, 2015131), (37, 762482), (74, 381241), (107, 263662), (214, 131831), (259, 108926), (509, 55426), (518, 54463), (749, 37666), (1018, 27713), (1498, 18833), (3563, 7918), (3959, 7126)]