31438394

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{1979}}^1$

素因数の和:2054

約数の個数: 24

約数和(自身を含む): 52176960

約数和(自身を除く): 20738566

約数列:

[1, 2, 13, 26, 47, 94, 169, 338, 611, 1222, 1979, 3958, 7943, 15886, 25727, 51454, 93013, 186026, 334451, 668902, 1209169, 2418338, 15719197, 31438394]

約数ペア:

[(1, 31438394), (2, 15719197), (13, 2418338), (26, 1209169), (47, 668902), (94, 334451), (169, 186026), (338, 93013), (611, 51454), (1222, 25727), (1979, 15886), (3958, 7943)]