247640785

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{6823}}^1$

素因数の和:6913

約数の個数: 32

約数和(自身を含む): 365548032

約数和(自身を除く): 117907247

約数列:

[1, 5, 7, 17, 35, 61, 85, 119, 305, 427, 595, 1037, 2135, 5185, 6823, 7259, 34115, 36295, 47761, 115991, 238805, 416203, 579955, 811937, 2081015, 2913421, 4059685, 7075451, 14567105, 35377255, 49528157, 247640785]

約数ペア:

[(1, 247640785), (5, 49528157), (7, 35377255), (17, 14567105), (35, 7075451), (61, 4059685), (85, 2913421), (119, 2081015), (305, 811937), (427, 579955), (595, 416203), (1037, 238805), (2135, 115991), (5185, 47761), (6823, 36295), (7259, 34115)]