208560815

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{811}}^1\times {\mathrm{2707}}^1$

素因数の和:3542

約数の個数: 16

約数和(自身を含む): 263867520

約数和(自身を除く): 55306705

約数列:

[1, 5, 19, 95, 811, 2707, 4055, 13535, 15409, 51433, 77045, 257165, 2195377, 10976885, 41712163, 208560815]

約数ペア:

[(1, 208560815), (5, 41712163), (19, 10976885), (95, 2195377), (811, 257165), (2707, 77045), (4055, 51433), (13535, 15409)]