28210259

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{937}}^1$

素因数の和:995

約数の個数: 32

約数和(自身を含む): 38900736

約数和(自身を除く): 10690477

約数列:

[1, 7, 11, 17, 23, 77, 119, 161, 187, 253, 391, 937, 1309, 1771, 2737, 4301, 6559, 10307, 15929, 21551, 30107, 72149, 111503, 150857, 175219, 237061, 366367, 1226533, 1659427, 2564569, 4030037, 28210259]

約数ペア:

[(1, 28210259), (7, 4030037), (11, 2564569), (17, 1659427), (23, 1226533), (77, 366367), (119, 237061), (161, 175219), (187, 150857), (253, 111503), (391, 72149), (937, 30107), (1309, 21551), (1771, 15929), (2737, 10307), (4301, 6559)]