285705145

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{9857}}^1$

素因数の和:9921

約数の個数: 32

約数和(自身を含む): 408830976

約数和(自身を除く): 123125831

約数列:

[1, 5, 11, 17, 31, 55, 85, 155, 187, 341, 527, 935, 1705, 2635, 5797, 9857, 28985, 49285, 108427, 167569, 305567, 542135, 837845, 1527835, 1843259, 3361237, 5194639, 9216295, 16806185, 25973195, 57141029, 285705145]

約数ペア:

[(1, 285705145), (5, 57141029), (11, 25973195), (17, 16806185), (31, 9216295), (55, 5194639), (85, 3361237), (155, 1843259), (187, 1527835), (341, 837845), (527, 542135), (935, 305567), (1705, 167569), (2635, 108427), (5797, 49285), (9857, 28985)]