204065405

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{197}}^1$

素因数の和:437

約数の個数: 32

約数和(自身を含む): 261854208

約数和(自身を除く): 57788803

約数列:

[1, 5, 31, 41, 155, 163, 197, 205, 815, 985, 1271, 5053, 6107, 6355, 6683, 8077, 25265, 30535, 32111, 33415, 40385, 160555, 207173, 250387, 995441, 1035865, 1251935, 1316551, 4977205, 6582755, 40813081, 204065405]

約数ペア:

[(1, 204065405), (5, 40813081), (31, 6582755), (41, 4977205), (155, 1316551), (163, 1251935), (197, 1035865), (205, 995441), (815, 250387), (985, 207173), (1271, 160555), (5053, 40385), (6107, 33415), (6355, 32111), (6683, 30535), (8077, 25265)]