16981265

素因数分解:

$5^1\times 7^1\times {\mathrm{653}}^1\times {\mathrm{743}}^1$

素因数の和:1408

約数の個数: 16

約数和(自身を含む): 23355648

約数和(自身を除く): 6374383

約数列:

[1, 5, 7, 35, 653, 743, 3265, 3715, 4571, 5201, 22855, 26005, 485179, 2425895, 3396253, 16981265]

約数ペア:

[(1, 16981265), (5, 3396253), (7, 2425895), (35, 485179), (653, 26005), (743, 22855), (3265, 5201), (3715, 4571)]