280444073

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{1117}}^1$

素因数の和:1257

約数の個数: 32

約数和(自身を含む): 360622080

約数和(自身を除く): 80178007

約数列:

[1, 7, 13, 31, 89, 91, 217, 403, 623, 1117, 1157, 2759, 2821, 7819, 8099, 14521, 19313, 34627, 35867, 99413, 101647, 242389, 251069, 450151, 695891, 1292369, 3081803, 3151057, 9046583, 21572621, 40063439, 280444073]

約数ペア:

[(1, 280444073), (7, 40063439), (13, 21572621), (31, 9046583), (89, 3151057), (91, 3081803), (217, 1292369), (403, 695891), (623, 450151), (1117, 251069), (1157, 242389), (2759, 101647), (2821, 99413), (7819, 35867), (8099, 34627), (14521, 19313)]