287769745

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{331}}^1$

素因数の和:517

約数の個数: 32

約数和(自身を含む): 367165440

約数和(自身を除く): 79395695

約数列:

[1, 5, 31, 71, 79, 155, 331, 355, 395, 1655, 2201, 2449, 5609, 10261, 11005, 12245, 23501, 26149, 28045, 51305, 117505, 130745, 173879, 728531, 810619, 869395, 1856579, 3642655, 4053095, 9282895, 57553949, 287769745]

約数ペア:

[(1, 287769745), (5, 57553949), (31, 9282895), (71, 4053095), (79, 3642655), (155, 1856579), (331, 869395), (355, 810619), (395, 728531), (1655, 173879), (2201, 130745), (2449, 117505), (5609, 51305), (10261, 28045), (11005, 26149), (12245, 23501)]