28213535

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{19661}}^1$

素因数の和:19714

約数の個数: 16

約数和(自身を含む): 39638592

約数和(自身を除く): 11425057

約数列:

[1, 5, 7, 35, 41, 205, 287, 1435, 19661, 98305, 137627, 688135, 806101, 4030505, 5642707, 28213535]

約数ペア:

[(1, 28213535), (5, 5642707), (7, 4030505), (35, 806101), (41, 688135), (205, 137627), (287, 98305), (1435, 19661)]