31771964

素因数分解:

$2^2\times 7^1\times {\mathrm{389}}^1\times {\mathrm{2917}}^1$

素因数の和:3317

約数の個数: 24

約数和(自身を含む): 63729120

約数和(自身を除く): 31957156

約数列:

[1, 2, 4, 7, 14, 28, 389, 778, 1556, 2723, 2917, 5446, 5834, 10892, 11668, 20419, 40838, 81676, 1134713, 2269426, 4538852, 7942991, 15885982, 31771964]

約数ペア:

[(1, 31771964), (2, 15885982), (4, 7942991), (7, 4538852), (14, 2269426), (28, 1134713), (389, 81676), (778, 40838), (1556, 20419), (2723, 11668), (2917, 10892), (5446, 5834)]