1289644

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1$

素因数の和:333

約数の個数: 24

約数和(自身を含む): 2419200

約数和(自身を除く): 1129556

約数列:

[1, 2, 4, 19, 38, 71, 76, 142, 239, 284, 478, 956, 1349, 2698, 4541, 5396, 9082, 16969, 18164, 33938, 67876, 322411, 644822, 1289644]

約数ペア:

[(1, 1289644), (2, 644822), (4, 322411), (19, 67876), (38, 33938), (71, 18164), (76, 16969), (142, 9082), (239, 5396), (284, 4541), (478, 2698), (956, 1349)]