16561916

素因数分解:

$2^2\times 7^1\times {\mathrm{331}}^1\times {\mathrm{1787}}^1$

素因数の和:2129

約数の個数: 24

約数和(自身を含む): 33242496

約数和(自身を除く): 16680580

約数列:

[1, 2, 4, 7, 14, 28, 331, 662, 1324, 1787, 2317, 3574, 4634, 7148, 9268, 12509, 25018, 50036, 591497, 1182994, 2365988, 4140479, 8280958, 16561916]

約数ペア:

[(1, 16561916), (2, 8280958), (4, 4140479), (7, 2365988), (14, 1182994), (28, 591497), (331, 50036), (662, 25018), (1324, 12509), (1787, 9268), (2317, 7148), (3574, 4634)]