28217306

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{20477}}^1$

素因数の和:20545

約数の個数: 16

約数和(自身を含む): 46444104

約数和(自身を除く): 18226798

約数列:

[1, 2, 13, 26, 53, 106, 689, 1378, 20477, 40954, 266201, 532402, 1085281, 2170562, 14108653, 28217306]

約数ペア:

[(1, 28217306), (2, 14108653), (13, 2170562), (26, 1085281), (53, 532402), (106, 266201), (689, 40954), (1378, 20477)]