289849318

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{2707}}^1$

素因数の和:2908

約数の個数: 32

約数和(自身を含む): 492899328

約数和(自身を除く): 203050010

約数列:

[1, 2, 11, 22, 31, 62, 157, 314, 341, 682, 1727, 2707, 3454, 4867, 5414, 9734, 29777, 53537, 59554, 83917, 107074, 167834, 424999, 849998, 923087, 1846174, 4674989, 9349978, 13174969, 26349938, 144924659, 289849318]

約数ペア:

[(1, 289849318), (2, 144924659), (11, 26349938), (22, 13174969), (31, 9349978), (62, 4674989), (157, 1846174), (314, 923087), (341, 849998), (682, 424999), (1727, 167834), (2707, 107074), (3454, 83917), (4867, 59554), (5414, 53537), (9734, 29777)]