263641105

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{8161}}^1$

素因数の和:8257

約数の個数: 32

約数和(自身を含む): 394910208

約数和(自身を除く): 131269103

約数列:

[1, 5, 7, 13, 35, 65, 71, 91, 355, 455, 497, 923, 2485, 4615, 6461, 8161, 32305, 40805, 57127, 106093, 285635, 530465, 579431, 742651, 2897155, 3713255, 4056017, 7532603, 20280085, 37663015, 52728221, 263641105]

約数ペア:

[(1, 263641105), (5, 52728221), (7, 37663015), (13, 20280085), (35, 7532603), (65, 4056017), (71, 3713255), (91, 2897155), (355, 742651), (455, 579431), (497, 530465), (923, 285635), (2485, 106093), (4615, 57127), (6461, 40805), (8161, 32305)]