31684828

素因数分解:

$2^2\times 7^1\times {\mathrm{389}}^1\times {\mathrm{2909}}^1$

素因数の和:3309

約数の個数: 24

約数和(自身を含む): 63554400

約数和(自身を除く): 31869572

約数列:

[1, 2, 4, 7, 14, 28, 389, 778, 1556, 2723, 2909, 5446, 5818, 10892, 11636, 20363, 40726, 81452, 1131601, 2263202, 4526404, 7921207, 15842414, 31684828]

約数ペア:

[(1, 31684828), (2, 15842414), (4, 7921207), (7, 4526404), (14, 2263202), (28, 1131601), (389, 81452), (778, 40726), (1556, 20363), (2723, 11636), (2909, 10892), (5446, 5818)]