28888265

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43441}}^1$

素因数の和:43472

約数の個数: 16

約数和(自身を含む): 41704320

約数和(自身を除く): 12816055

約数列:

[1, 5, 7, 19, 35, 95, 133, 665, 43441, 217205, 304087, 825379, 1520435, 4126895, 5777653, 28888265]

約数ペア:

[(1, 28888265), (5, 5777653), (7, 4126895), (19, 1520435), (35, 825379), (95, 304087), (133, 217205), (665, 43441)]