2011323145

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{11779}}^1$

素因数の和:11905

約数の個数: 32

約数和(自身を含む): 2707326720

約数和(自身を除く): 696003575

約数列:

[1, 5, 13, 37, 65, 71, 185, 355, 481, 923, 2405, 2627, 4615, 11779, 13135, 34151, 58895, 153127, 170755, 435823, 765635, 836309, 2179115, 4181545, 5665699, 10872017, 28328495, 30943433, 54360085, 154717165, 402264629, 2011323145]

約数ペア:

[(1, 2011323145), (5, 402264629), (13, 154717165), (37, 54360085), (65, 30943433), (71, 28328495), (185, 10872017), (355, 5665699), (481, 4181545), (923, 2179115), (2405, 836309), (2627, 765635), (4615, 435823), (11779, 170755), (13135, 153127), (34151, 58895)]