31221398

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{1301}}^1$

素因数の和:1400

約数の個数: 24

約数和(自身を含む): 51465456

約数和(自身を除く): 20244058

約数列:

[1, 2, 13, 26, 71, 142, 169, 338, 923, 1301, 1846, 2602, 11999, 16913, 23998, 33826, 92371, 184742, 219869, 439738, 1200823, 2401646, 15610699, 31221398]

約数ペア:

[(1, 31221398), (2, 15610699), (13, 2401646), (26, 1200823), (71, 439738), (142, 219869), (169, 184742), (338, 92371), (923, 33826), (1301, 23998), (1846, 16913), (2602, 11999)]