200901404

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{18191}}^1$

素因数の和:18457

約数の個数: 24

約数和(自身を含む): 385088256

約数和(自身を除く): 184186852

約数列:

[1, 2, 4, 11, 22, 44, 251, 502, 1004, 2761, 5522, 11044, 18191, 36382, 72764, 200101, 400202, 800404, 4565941, 9131882, 18263764, 50225351, 100450702, 200901404]

約数ペア:

[(1, 200901404), (2, 100450702), (4, 50225351), (11, 18263764), (22, 9131882), (44, 4565941), (251, 800404), (502, 400202), (1004, 200101), (2761, 72764), (5522, 36382), (11044, 18191)]