211711489

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{233}}^1$

素因数の和:417

約数の個数: 32

約数和(自身を含む): 253528704

約数和(自身を除く): 41817215

約数列:

[1, 11, 17, 43, 113, 187, 233, 473, 731, 1243, 1921, 2563, 3961, 4859, 8041, 10019, 21131, 26329, 43571, 53449, 82603, 110209, 170323, 289619, 447593, 908633, 1132147, 1873553, 4923523, 12453617, 19246499, 211711489]

約数ペア:

[(1, 211711489), (11, 19246499), (17, 12453617), (43, 4923523), (113, 1873553), (187, 1132147), (233, 908633), (473, 447593), (731, 289619), (1243, 170323), (1921, 110209), (2563, 82603), (3961, 53449), (4859, 43571), (8041, 26329), (10019, 21131)]