28437991

素因数分解:

${\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:378

約数の個数: 16

約数和(自身を含む): 30888000

約数和(自身を除く): 2450009

約数列:

[1, 17, 103, 109, 149, 1751, 1853, 2533, 11227, 15347, 16241, 190859, 260899, 276097, 1672823, 28437991]

約数ペア:

[(1, 28437991), (17, 1672823), (103, 276097), (109, 260899), (149, 190859), (1751, 16241), (1853, 15347), (2533, 11227)]