205429007

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1\times {\mathrm{193}}^1$

素因数の和:423

約数の個数: 32

約数和(自身を含む): 254776320

約数和(自身を除く): 49347313

約数列:

[1, 7, 19, 53, 133, 151, 193, 371, 1007, 1057, 1351, 2869, 3667, 7049, 8003, 10229, 20083, 25669, 29143, 56021, 71603, 152057, 194351, 204001, 553717, 1064399, 1360457, 1544579, 3876019, 10812053, 29347001, 205429007]

約数ペア:

[(1, 205429007), (7, 29347001), (19, 10812053), (53, 3876019), (133, 1544579), (151, 1360457), (193, 1064399), (371, 553717), (1007, 204001), (1057, 194351), (1351, 152057), (2869, 71603), (3667, 56021), (7049, 29143), (8003, 25669), (10229, 20083)]