689120036

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{220589}}^1$

素因数の和:220675

約数の個数: 24

約数和(自身を含む): 1334128320

約数和(自身を除く): 645008284

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 3124, 220589, 441178, 882356, 2426479, 4852958, 9705916, 15661819, 31323638, 62647276, 172280009, 344560018, 689120036]

約数ペア:

[(1, 689120036), (2, 344560018), (4, 172280009), (11, 62647276), (22, 31323638), (44, 15661819), (71, 9705916), (142, 4852958), (284, 2426479), (781, 882356), (1562, 441178), (3124, 220589)]