16855517

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{719}}^1$

素因数の和:940

約数の個数: 16

約数和(自身を含む): 20528640

約数和(自身を除く): 3673123

約数列:

[1, 7, 17, 119, 197, 719, 1379, 3349, 5033, 12223, 23443, 85561, 141643, 991501, 2407931, 16855517]

約数ペア:

[(1, 16855517), (7, 2407931), (17, 991501), (119, 141643), (197, 85561), (719, 23443), (1379, 12223), (3349, 5033)]