161209516

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{7193}}^1$

素因数の和:7641

約数の個数: 24

約数和(自身を含む): 304565184

約数和(自身を除く): 143355668

約数列:

[1, 2, 4, 13, 26, 52, 431, 862, 1724, 5603, 7193, 11206, 14386, 22412, 28772, 93509, 187018, 374036, 3100183, 6200366, 12400732, 40302379, 80604758, 161209516]

約数ペア:

[(1, 161209516), (2, 80604758), (4, 40302379), (13, 12400732), (26, 6200366), (52, 3100183), (431, 374036), (862, 187018), (1724, 93509), (5603, 28772), (7193, 22412), (11206, 14386)]