16239475

素因数分解:

$5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1307}}^1$

素因数の和:1395

約数の個数: 24

約数和(自身を含む): 23355648

約数和(自身を除く): 7116173

約数列:

[1, 5, 7, 25, 35, 71, 175, 355, 497, 1307, 1775, 2485, 6535, 9149, 12425, 32675, 45745, 92797, 228725, 463985, 649579, 2319925, 3247895, 16239475]

約数ペア:

[(1, 16239475), (5, 3247895), (7, 2319925), (25, 649579), (35, 463985), (71, 228725), (175, 92797), (355, 45745), (497, 32675), (1307, 12425), (1775, 9149), (2485, 6535)]