389588881

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{379}}^1$

素因数の和:669

約数の個数: 32

約数和(自身を含む): 472780800

約数和(自身を除く): 83191919

約数列:

[1, 11, 17, 23, 187, 239, 253, 379, 391, 2629, 4063, 4169, 4301, 5497, 6443, 8717, 44693, 60467, 70873, 90581, 93449, 95887, 148189, 996391, 1027939, 1539877, 1630079, 2083363, 16938647, 22916993, 35417171, 389588881]

約数ペア:

[(1, 389588881), (11, 35417171), (17, 22916993), (23, 16938647), (187, 2083363), (239, 1630079), (253, 1539877), (379, 1027939), (391, 996391), (2629, 148189), (4063, 95887), (4169, 93449), (4301, 90581), (5497, 70873), (6443, 60467), (8717, 44693)]