1688948

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{313}}^1$

素因数の和:407

約数の個数: 24

約数和(自身を含む): 3165120

約数和(自身を除く): 1476172

約数列:

[1, 2, 4, 19, 38, 71, 76, 142, 284, 313, 626, 1252, 1349, 2698, 5396, 5947, 11894, 22223, 23788, 44446, 88892, 422237, 844474, 1688948]

約数ペア:

[(1, 1688948), (2, 844474), (4, 422237), (19, 88892), (38, 44446), (71, 23788), (76, 22223), (142, 11894), (284, 5947), (313, 5396), (626, 2698), (1252, 1349)]