220199278

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{61819}}^1$

素因数の和:61971

約数の個数: 16

約数和(自身を含む): 358308720

約数和(自身を除く): 138109442

約数列:

[1, 2, 13, 26, 137, 274, 1781, 3562, 61819, 123638, 803647, 1607294, 8469203, 16938406, 110099639, 220199278]

約数ペア:

[(1, 220199278), (2, 110099639), (13, 16938406), (26, 8469203), (137, 1607294), (274, 803647), (1781, 123638), (3562, 61819)]