291238922

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{211349}}^1$

素因数の和:211417

約数の個数: 16

約数和(自身を含む): 479341800

約数和(自身を除く): 188102878

約数列:

[1, 2, 13, 26, 53, 106, 689, 1378, 211349, 422698, 2747537, 5495074, 11201497, 22402994, 145619461, 291238922]

約数ペア:

[(1, 291238922), (2, 145619461), (13, 22402994), (26, 11201497), (53, 5495074), (106, 2747537), (689, 422698), (1378, 211349)]