27991997

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1999}}^1$

素因数の和:2096

約数の個数: 16

約数和(自身を含む): 32640000

約数和(自身を除く): 4648003

約数列:

[1, 11, 19, 67, 209, 737, 1273, 1999, 14003, 21989, 37981, 133933, 417791, 1473263, 2544727, 27991997]

約数ペア:

[(1, 27991997), (11, 2544727), (19, 1473263), (67, 417791), (209, 133933), (737, 37981), (1273, 21989), (1999, 14003)]