131685268

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{20929}}^1$

素因数の和:20968

約数の個数: 36

約数和(自身を含む): 272801620

約数和(自身を除く): 141116352

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 121, 143, 242, 286, 484, 572, 1573, 3146, 6292, 20929, 41858, 83716, 230219, 272077, 460438, 544154, 920876, 1088308, 2532409, 2992847, 5064818, 5985694, 10129636, 11971388, 32921317, 65842634, 131685268]

約数ペア:

[(1, 131685268), (2, 65842634), (4, 32921317), (11, 11971388), (13, 10129636), (22, 5985694), (26, 5064818), (44, 2992847), (52, 2532409), (121, 1088308), (143, 920876), (242, 544154), (286, 460438), (484, 272077), (572, 230219), (1573, 83716), (3146, 41858), (6292, 20929)]