259858417

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1$

素因数の和:302

約数の個数: 48

約数和(自身を含む): 341288640

約数和(自身を除く): 81430223

約数列:

[1, 7, 13, 43, 49, 53, 91, 179, 301, 371, 559, 637, 689, 1253, 2107, 2279, 2327, 2597, 3913, 4823, 7697, 8771, 9487, 15953, 16289, 27391, 29627, 33761, 53879, 66409, 100061, 111671, 114023, 123331, 207389, 377153, 407941, 464863, 700427, 863317, 1451723, 2855587, 4902989, 5303233, 6043219, 19989109, 37122631, 259858417]

約数ペア:

[(1, 259858417), (7, 37122631), (13, 19989109), (43, 6043219), (49, 5303233), (53, 4902989), (91, 2855587), (179, 1451723), (301, 863317), (371, 700427), (559, 464863), (637, 407941), (689, 377153), (1253, 207389), (2107, 123331), (2279, 114023), (2327, 111671), (2597, 100061), (3913, 66409), (4823, 53879), (7697, 33761), (8771, 29627), (9487, 27391), (15953, 16289)]