251701745

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1\times {\mathrm{233}}^1$

素因数の和:505

約数の個数: 32

約数和(自身を含む): 327525120

約数和(自身を除く): 75823375

約数列:

[1, 5, 17, 71, 85, 179, 233, 355, 895, 1165, 1207, 3043, 3961, 6035, 12709, 15215, 16543, 19805, 41707, 63545, 82715, 208535, 216053, 281231, 709019, 1080265, 1406155, 2961197, 3545095, 14805985, 50340349, 251701745]

約数ペア:

[(1, 251701745), (5, 50340349), (17, 14805985), (71, 3545095), (85, 2961197), (179, 1406155), (233, 1080265), (355, 709019), (895, 281231), (1165, 216053), (1207, 208535), (3043, 82715), (3961, 63545), (6035, 41707), (12709, 19805), (15215, 16543)]