28147156921

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{457}}^1\times {\mathrm{1217}}^1$

素因数の和:1933

約数の個数: 32

約数和(自身を含む): 32332638240

約数和(自身を除く): 4185481319

約数列:

[1, 13, 17, 221, 229, 457, 1217, 2977, 3893, 5941, 7769, 15821, 20689, 50609, 100997, 104653, 268957, 278693, 556169, 1360489, 1779101, 3623009, 4737781, 7230197, 9454873, 23128313, 61591153, 122913349, 127362701, 1655715113, 2165165917, 28147156921]

約数ペア:

[(1, 28147156921), (13, 2165165917), (17, 1655715113), (221, 127362701), (229, 122913349), (457, 61591153), (1217, 23128313), (2977, 9454873), (3893, 7230197), (5941, 4737781), (7769, 3623009), (15821, 1779101), (20689, 1360489), (50609, 556169), (100997, 278693), (104653, 268957)]