28569905

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{62791}}^1$

素因数の和:62816

約数の個数: 16

約数和(自身を含む): 42196224

約数和(自身を除く): 13626319

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 62791, 313955, 439537, 816283, 2197685, 4081415, 5713981, 28569905]

約数ペア:

[(1, 28569905), (5, 5713981), (7, 4081415), (13, 2197685), (35, 816283), (65, 439537), (91, 313955), (455, 62791)]