81985342

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{313}}^1$

素因数の和:508

約数の個数: 32

約数和(自身を含む): 133161120

約数和(自身を除く): 51175778

約数列:

[1, 2, 19, 38, 61, 113, 122, 226, 313, 626, 1159, 2147, 2318, 4294, 5947, 6893, 11894, 13786, 19093, 35369, 38186, 70738, 130967, 261934, 362767, 672011, 725534, 1344022, 2157509, 4315018, 40992671, 81985342]

約数ペア:

[(1, 81985342), (2, 40992671), (19, 4315018), (38, 2157509), (61, 1344022), (113, 725534), (122, 672011), (226, 362767), (313, 261934), (626, 130967), (1159, 70738), (2147, 38186), (2318, 35369), (4294, 19093), (5947, 13786), (6893, 11894)]