12937265

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{3313}}^1$

素因数の和:3400

約数の個数: 16

約数和(自身を含む): 17179776

約数和(自身を除く): 4242511

約数列:

[1, 5, 11, 55, 71, 355, 781, 3313, 3905, 16565, 36443, 182215, 235223, 1176115, 2587453, 12937265]

約数ペア:

[(1, 12937265), (5, 2587453), (11, 1176115), (55, 235223), (71, 182215), (355, 36443), (781, 16565), (3313, 3905)]