9871012921

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{48799}}^1$

素因数の和:48925

約数の個数: 32

約数和(自身を含む): 12817612800

約数和(自身を除く): 2946599879

約数列:

[1, 7, 11, 37, 71, 77, 259, 407, 497, 781, 2627, 2849, 5467, 18389, 28897, 48799, 202279, 341593, 536789, 1805563, 3464729, 3757523, 12638941, 19861193, 24253103, 38112019, 128194973, 139028351, 266784133, 897364811, 1410144703, 9871012921]

約数ペア:

[(1, 9871012921), (7, 1410144703), (11, 897364811), (37, 266784133), (71, 139028351), (77, 128194973), (259, 38112019), (407, 24253103), (497, 19861193), (781, 12638941), (2627, 3757523), (2849, 3464729), (5467, 1805563), (18389, 536789), (28897, 341593), (48799, 202279)]