291253172

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{221317}}^1$

素因数の和:221375

約数の個数: 24

約数和(自身を含む): 594902784

約数和(自身を除く): 303649612

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 658, 1316, 221317, 442634, 885268, 1549219, 3098438, 6196876, 10401899, 20803798, 41607596, 72813293, 145626586, 291253172]

約数ペア:

[(1, 291253172), (2, 145626586), (4, 72813293), (7, 41607596), (14, 20803798), (28, 10401899), (47, 6196876), (94, 3098438), (188, 1549219), (329, 885268), (658, 442634), (1316, 221317)]