1297673390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{140593}}^1$

素因数の和:140684

約数の個数: 32

約数和(自身を含む): 2550937536

約数和(自身を除く): 1253264146

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 130, 142, 355, 710, 923, 1846, 4615, 9230, 140593, 281186, 702965, 1405930, 1827709, 3655418, 9138545, 9982103, 18277090, 19964206, 49910515, 99821030, 129767339, 259534678, 648836695, 1297673390]

約数ペア:

[(1, 1297673390), (2, 648836695), (5, 259534678), (10, 129767339), (13, 99821030), (26, 49910515), (65, 19964206), (71, 18277090), (130, 9982103), (142, 9138545), (355, 3655418), (710, 1827709), (923, 1405930), (1846, 702965), (4615, 281186), (9230, 140593)]