161644

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1$

素因数の和:285

約数の個数: 24

約数和(自身を含む): 338688

約数和(自身を除く): 177044

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 251, 322, 502, 644, 1004, 1757, 3514, 5773, 7028, 11546, 23092, 40411, 80822, 161644]

約数ペア:

[(1, 161644), (2, 80822), (4, 40411), (7, 23092), (14, 11546), (23, 7028), (28, 5773), (46, 3514), (92, 1757), (161, 1004), (251, 644), (322, 502)]