208088855

素因数分解:

$5^1\times {\mathrm{13}}^3\times {\mathrm{19}}^1\times {\mathrm{997}}^1$

素因数の和:1060

約数の個数: 32

約数和(自身を含む): 285028800

約数和(自身を除く): 76939945

約数列:

[1, 5, 13, 19, 65, 95, 169, 247, 845, 997, 1235, 2197, 3211, 4985, 10985, 12961, 16055, 18943, 41743, 64805, 94715, 168493, 208715, 246259, 842465, 1231295, 2190409, 3201367, 10952045, 16006835, 41617771, 208088855]

約数ペア:

[(1, 208088855), (5, 41617771), (13, 16006835), (19, 10952045), (65, 3201367), (95, 2190409), (169, 1231295), (247, 842465), (845, 246259), (997, 208715), (1235, 168493), (2197, 94715), (3211, 64805), (4985, 41743), (10985, 18943), (12961, 16055)]