201980492

素因数分解:

$2^2\times 7^1\times {\mathrm{401}}^1\times {\mathrm{17989}}^1$

素因数の和:18401

約数の個数: 24

約数和(自身を含む): 404990880

約数和(自身を除く): 203010388

約数列:

[1, 2, 4, 7, 14, 28, 401, 802, 1604, 2807, 5614, 11228, 17989, 35978, 71956, 125923, 251846, 503692, 7213589, 14427178, 28854356, 50495123, 100990246, 201980492]

約数ペア:

[(1, 201980492), (2, 100990246), (4, 50495123), (7, 28854356), (14, 14427178), (28, 7213589), (401, 503692), (802, 251846), (1604, 125923), (2807, 71956), (5614, 35978), (11228, 17989)]