161756

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:173

約数の個数: 24

約数和(自身を含む): 332640

約数和(自身を除く): 170884

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 109, 212, 218, 371, 436, 742, 763, 1484, 1526, 3052, 5777, 11554, 23108, 40439, 80878, 161756]

約数ペア:

[(1, 161756), (2, 80878), (4, 40439), (7, 23108), (14, 11554), (28, 5777), (53, 3052), (106, 1526), (109, 1484), (212, 763), (218, 742), (371, 436)]