198216109

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{20357}}^1$

素因数の和:20484

約数の個数: 16

約数和(自身を含む): 246250368

約数和(自身を除く): 48034259

約数列:

[1, 7, 13, 91, 107, 749, 1391, 9737, 20357, 142499, 264641, 1852487, 2178199, 15247393, 28316587, 198216109]

約数ペア:

[(1, 198216109), (7, 28316587), (13, 15247393), (91, 2178199), (107, 1852487), (749, 264641), (1391, 142499), (9737, 20357)]