131611216

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{157}}^1\times {\mathrm{433}}^1$

素因数の和:620

約数の個数: 60

約数和(自身を含む): 282722356

約数和(自身を除く): 151111140

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 121, 157, 176, 242, 314, 433, 484, 628, 866, 968, 1256, 1727, 1732, 1936, 2512, 3454, 3464, 4763, 6908, 6928, 9526, 13816, 18997, 19052, 27632, 37994, 38104, 52393, 67981, 75988, 76208, 104786, 135962, 151976, 209572, 271924, 303952, 419144, 543848, 747791, 838288, 1087696, 1495582, 2991164, 5982328, 8225701, 11964656, 16451402, 32902804, 65805608, 131611216]

約数ペア:

[(1, 131611216), (2, 65805608), (4, 32902804), (8, 16451402), (11, 11964656), (16, 8225701), (22, 5982328), (44, 2991164), (88, 1495582), (121, 1087696), (157, 838288), (176, 747791), (242, 543848), (314, 419144), (433, 303952), (484, 271924), (628, 209572), (866, 151976), (968, 135962), (1256, 104786), (1727, 76208), (1732, 75988), (1936, 67981), (2512, 52393), (3454, 38104), (3464, 37994), (4763, 27632), (6908, 19052), (6928, 18997), (9526, 13816)]