28388230

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{218371}}^1$

素因数の和:218391

約数の個数: 16

約数和(自身を含む): 55029744

約数和(自身を除く): 26641514

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 218371, 436742, 1091855, 2183710, 2838823, 5677646, 14194115, 28388230]

約数ペア:

[(1, 28388230), (2, 14194115), (5, 5677646), (10, 2838823), (13, 2183710), (26, 1091855), (65, 436742), (130, 218371)]