161787724

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{122939}}^1$

素因数の和:122997

約数の個数: 24

約数和(自身を含む): 330462720

約数和(自身を除く): 168674996

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 658, 1316, 122939, 245878, 491756, 860573, 1721146, 3442292, 5778133, 11556266, 23112532, 40446931, 80893862, 161787724]

約数ペア:

[(1, 161787724), (2, 80893862), (4, 40446931), (7, 23112532), (14, 11556266), (28, 5778133), (47, 3442292), (94, 1721146), (188, 860573), (329, 491756), (658, 245878), (1316, 122939)]